Rating: 
Summary: Rio 800 128mb IS the Cream of the CROP!
Review: This little device works perfectly fine if you follow the directions and has no flaws having 128mb is great for the amount of music you can fit at different bitrates i use usually 256kb so fairly high and i love how many songs i can fit way to much to listen to.. TO calibrate the battery on the first try only took 3 hours and then i was off and running.. no skip no problems no hassle this is the player for everyone nothing but the best included..!
Rating: 
Summary: Great sound poor battery life
Review: Owner of two RIO 800s and both defective, although it is very versatile, handy, light nice "look" and worth buying,but they are too fragil. They Both have Battery problems. (They died out fast!!, really fast)
Rating:
Summary: As the wise man once said: RTFM
Review: I've had the Rio800 128MB for a while now. Here's my low-down on the gadget:PROS: Battery life is close to advertised (8-10 hours). Sound quality is excellent while playing 128kbps MP3s. (Having 3000 196kbps MP3 songs also helps) The Rio is lightweight, sturdy, easy to use and has a convenient voice recorder. It is currently the best player in the market. CONS: Unfortunately the WMA format wasn't all that it was hyped up to be. Anything less than 96kbps WMA terribly scratches my ears. The headphones that come with the set were also a real POS. I bought the Sony MDR-E888LP Fontopia earbud headphones, which are a true complement to the Rio800. The expandability is limited to Rio's own backpacks which will be overpriced as usual. I just hope that Dataplay will be supported. (Otherwise I'll simply dump the Rio and go for a Dataplay-supporting device) I give it 5 stars not because it's a perfect player - there is great room for improvement - but rather because it's currently the best player out there. Ignore the users who violate the first rule of electronics: RTFM.
Rating: 
Summary: nightmare
Review: i wish i would have listened to the many one star reviews. this thing is a total nightmare. i even gave it the benefit of purchasing a second one, but encountered the same problems, no signal to headphones (even though the time indicator shows the track is playing) and multiple software "freezeups". do yourself a favor and avoid this product; actually, amazon should remove it from its product list.
Rating:
Summary: Great player
Review: While the 5 hour calibration step is a pain, it must be done correctly. I did it right the first time, and ever since my player has been a beauty. I am completely satisfied with my Rio, and I think it's the best and easiest player to use on the market. I'd recommend using WM Player though to transfer files to the player and downloading the Rio Audio Manager software off the Rio website b/c the media has to be formatted occasionally to remove file fragments. Great product, unreal sound, best value for MP3 players on the market.
Rating: 
Summary: Mine works & it kicks
Review: The calibration when you first get it is kinda long (5 hrs.) The software is also difficult to figure out. It took me awhile, but the sound quality is superb. The fact that I can fit 51 songs on it also rocks the body that rocks the party. I must admit I was hesitant about parting with my rio 500, but if you get an 800 that works, you won't regret it
Rating:
Summary: Reading this! And you'll know why this is a good player!
Review: First off, I'd like to correct the battery issue with many of the reviewers below. The problem you are getting is a might as well be calibration error of the battery. I say this because in the fine prints of the manual, if anyone has read it, says that you must go in the preference and choose the calibrate option when you are charging it for the FIRST TIME!! It says if you don't do this procedure, your readings will be off each time you use it. Now, I'll just make this short on why this is such a good player. I'll prove this by comparing it's only competitor the Intel Pocket Concert. I've recently brought the Intel Pocket Player 128mb, after it crashed, I went and brought this. I found out that this player has everything the Intel has but with higher quality. First thing was the sound quality, in the Intel, there was this annoying hissing that drives you mad, in RIO there was absolutly none. Next, this player comes with a charger! A NiMH charger! Intel...2 AAA akline batteries. haha. Next, this player comes with a soft casing which protects it from falls and scratches. Intel, none. Next, this player has all the play list functions that you can dream of..ie making multiple playlists, repeat playlists, moving songs to different order on the fly. Intels...no play list function except the order that it came in. Next, Voice recording, nuff said. Intel? None, but it does have a FM player which is pratically useless because the reception is horrendous. Next, this player is extremely customizible, ie adjustable auto sleep mode, backlit display time limit(adjustable from 1 to 10 second to Always On), equalizer(also includes around 8 presets!).Intel? they have only a simple bass treble equalizer and, with sleep mode. But their backlit can only be adjusted to On or Off. The on setting will light for like 3 seconds, which is annoying if you want to see some scrolling you have to press some buttons to relit the screen. Next, memory expandable? This player Yes. Intel...no. Next, special unexpected features. There is a little undocumented feature that I found that can let you save the location of your last playing song. All you do is hold on the stop button for around 3 seconds while playing, and the player will turn it self off even tho the power switch is at "ON". And when you press play again, it will be at the last song you were playing. Finally, last time I checked, the RIO was actually cheaper than the Intel's by like 10 bucks. I strongly recommand this RIO as I always try to get the best product possible for my buck. If I were you, go for this player. The only thing that maybe killing this player is for its bad review due to the battery problem that I've explained how to fix/prevent. That was short, wasn't it? haha.
Rating:
Summary: PLEASE Read This and Beware
Review: I have had my Rio 800(128) for approximately 50 days now and have used it everyday.I followed the directions for calibrating the battery and I have had excellent results with the battery life meeting and sometimes exceeding the 10 hour advertised performance for the first 30 days. Yet recently my player developed a BATTERY LIFE problem and now I get approximately 1.5 hours of music before my player needs to be recharged. I have tryed to recalibrated but still I get the same results. After reading other comments about similar problems posted here I beleive this problem runs much deeper than that of a slip in quality assurance department or a faulty battery.If this player performed as advertised it would far exceed any other player in its market place, yet it does not! What good is a portable MP3 player that is always charging?
Rating:
Summary: Worked great for 4 days, then it died
Review: The Rio 800 arrived and I calibrated the battery. That was slightly annoying because you have to wait 5 hours before you can play with it. Anyway, it worked great for 4 days. Bought an audio book and loaded a ton of music on it. Went running with it. It was light and sounded great. Just like a CD. Sound went loud too, unlike some MP3 players. One day, however, it just wouldn't turn on. Called tech support, briefly explained thhe problem (it just won't turn on, tried to recharge but nothing happens). They needed no further explanation. Just send it back for an exchange or return it to where you bought it. Apparently, it is a great product if you luck out and get one that isn't buggy. Two other gripes: the headphones are terrible and the oval screen makes things hard to read sometimes.
Rating:
Summary: write-off
Review: I have owned many personal players. This product is by far the worst I have ever used. • It continually freezes (i.e. crashes) so that I have to slide off the battery pack and then restart. This is not convenient in the middle of a workout. • The RIO 800 tells me that I am 100% charged, and that I have 11 hours of use ahead. It then runs out of power after 90 minutes. • After 2 uses, the microphone jack seems to have broken, and my RIO 800 now plays music through one ear only. I have tried it with several different headsets and get the same result.
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