4 Headsets Bluetooth Headsets Long Life High Sound Quality Gaming Sports Headsets With Digital Display Features: Double headsets use Bluetooth fast connection without waiting, double headsets, can be used in both ears, can be used in one ear can be shared, can be used in both ears and double mobile phones to enjoy different happiness. HIFI sound quality cinema sound effect, high efficiency Bluetooth efficiency, natural sound around the ear, like pleasant song. speed game, exquisite and powerful game low latency Exclusive custom game and to switchs game, low latency up to 40MS. IPX5, the whole body waterproofs, the headset through professionals nanos coating treatments and waterproofs structure to meet the IPX5 dusts and water splashs resistance. Sharing with two pairs of headphones, no need to worry about enjoying alone, now you can shares with your favorite people, the of, make good moments more memorable. Compact body light and weightless, unexpected portable compact, simples shape to meet your every daily.Easy , just control easy operations to avoid the pressure of keys to the ear. Product Description: Product: Model-16 Bluetooth :V5.5 Battery life: about 48 hours Standby time: about 120 hours Impedance :322 Rated input :5V Horn size :13mm Frequency response :20Hz-20KHz distance: about 20 meters Charging port :TYPE-C port Control mode: Intelligent touchs Product list: 1 x charging compartment 4× headphones 1 x instruction manual 1 x charging cable