1.Built-in TF/ micro SD card slot support up to 8GB TF/ micro SD card (card NOT included).
2. Just save your loved songs in TF/ micro SD card and then play them with this sport player.
3.Doubles as a TF/ micro SD card reader if connect it to computer.
4.Supports MP3 WMA music format.
5.Built-in rechargeable li-on battery and charge by USB cable.
6.Easy to use, "On/ off" toggle and 3 Key-press: Play/ Pause, Volume / -(long press),
Previous/ Next (short press).
7.Comfortable and secure for most users: bicyclist, runners, joggers, walkers, etc.
8.Wrap around wire free headphones, designed to stay on your head.
9.Great quality, super stereo sound lets you enjoy your sports and music at the same time!
1, Color: Green
2.Audio format: WMA, MP3
3.S/N ratio: ≥.86db
4.Output frequency: 20Hz—20KHz
5.Port: Mini USB
6.Battery: DC 3.7V Li-po battery
7 .Charge time: 2-3 hours
8.Playtime: Approx. 3 hours
9.Supporting system: Windows 98/ ME/ 2000/ XP/ Vista/ 7, iOS
10.Working temperature: 0 Celsius degree-45 Celsius degree
11.Headset size: Approx. 14 * 13cm/ 5.5 * 5.1in