Size
Length: 140.8mm, Width: 42.0mm, Height: 41.8mm
Electrical
Standby current : 74-78mA Work voltage: 6.8~8.4V
Working mode
USB mode, BT mode
tracks
track 1, track 2, track 3
Internal Battery
Rechargeable 450mAh Li-ion Battery
OS
Windows XP, Windows 7 / 8 / Android, IOS