Rechargeable lithium-ion polymer battery (3.7 V 150 mah)
Charging power supply: USB port DC5V (500ma)
Continuous working time: about 8 hours
LCD status indication: YES
Frequency response: 20 hz – 20 KHZ
Signal-to-noise ratio: 70 db
Output power: 2 x10mw
USB interface: high speed USB 2.0
Support memory card: TM card, SD card ( up to 16GB)
Music file format (supported): MP3
Supported audio sample rate: 8-48 KHZ (MP3 bitrate: 8-448 KBS, WMA bitrate: 32-384 KBS)
