SONY Walkman NW-A27HNB 64 GB MP3 Player with FM Radio - Black

Easy to use, Bluetooth works very well can easily fit 10k tracks and is very light in the pocket, ideal for running. Charging is easy just plug in using USB cable and iPhone plug and bobs yer uncle.

Not applicable

Ease of use and sound quality

Supplied software, that which produces the library, contains an intermittent bug! Still awaiting a solution from Sony.

Volume doesn't go very hi so you definitely need an amp