fashionable stereo headphones neckband wireless sports bluetooth headphonesBluetooth Specification : V3.0+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: 10 meters
Nominal charging time: 1.5 hours
Work time: 10 hours
Impedance:32 ohm
Standby time:up to 100 hours
Charging Port: micro usb
Charger adapter output: DC 5V&130mA
Color:white,black,red,blue
Technology: rubber / UV painting
Supports Bluetooth Headset and Hands-free profiles



Packing information.
Gift box size: 106*100*50 mm 
Carton size:54.5*27*42cm 
QTY:100 pcs/carton
N.W:11.5KG 
G.W:12.5KG