Factory Supply sports neckband bluetooth headphone wireless bluetooth earphone headset
Bluetooth Specification : V4.1+EDR class 2
RF Frequency Range: 2.402-2.480GHZ,2.4G ISM brand
Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
Operating distance:about 10 meters
Nominal charging time: 1.5 hours
Work time: 9 hours around
Impedance:32 ohm
Standby time:100 hours
Charging Port: micro usb
Charger adapter output: DC 5V&130mA
color:white, black
Technology: UV coating



Packing information.
Gift box size: 105*103*50 mm 
Carton size:54.5*27*42cm  
QTY:100 pcs/carton
N.W:6.2KG 
G.W:7.2KG