Bluetooth headset
藍牙耳機
 
Bluetooth vertion :  JL4.0
Frequency:   20Hz-20000Hz  
Sensitivity: 105dB±3dB
Playing time:  5 hour
Distance: 10m
Drive unit:  40mm 
Battery:  lithuim battery chargeable ,150mAh
Charger adapter output: DC 5V&200mA
Nominal charging time: Max 3 hours
Talk time: Up to 8 hours
Standby time: Up to 100 hours                                                                          
ear cushion size:  60x70cm
FOB Port:Shenzhen