Support Bluetooth V4.0
BT Handfree for calls; echo processing
Transmission range: *0M
Applicable for iPhone, iPod, mobile phone, computer, etc.
Support TF card function. Up to *2g.
3.5mm Line in. Connect to MP3/PC/Other Audio.
Built-in Li-ion Battery: 3.7V / **0MAH
Output voltage: 3.7V**4.2V
output power: 3.0W Input: 5.0V
Loud speaker: 4 ohm /3W
Signal and noise ratio(SNR): more than *8db
Frequency Response: **0HZ**6KHZ
Output distortion rate: less than 0.5%
Materials: Metal+Plastic
