Promotional Sport style Bluetooth headphones only for promotion in the exhibitions and fairs,etc,also for celebration of telecommunication- to be combined with smart phone promotion, this is designed for sport, sweat-free, Hi-Fi style Music lovers.

　　Bluetoothversion:buildgloryBluetoothV4.2

　　Transmissiondistance:10meters

　　Worktime:3hours

　　Chargingtime:about2 hours

　　Standbytime:120hours

　　Battery:90mAhrechargeable Lithiumbatteries

　　Functions:phone, Bluetooth,self-time,intelligentshutdown,powerdisplay

　　Packing list:

　　Packingsize:71*51*71

　　Netweight:13.5kg

　　Grossweight:17.5kg

　　Packingquantity:160 pieces/carton