Bluetooth headset with charging box, true wireless binaural

Specifications: 1.Stereo Bass Wireless Bluetooth 4.2 Earplugs Earphone 2.Bluetooth Version: V4.2 3.Transmission Range: About 10 m 4.Music Time: 2 ~3 hours   ( We upgraded the battery, when you turn the volume down 50%, use the longer )     5.Talk Time: 2 hours 6.Standby Time: 50 hours (per earphone) / 10 days ( Charging Compartment ) 7.Charging Time: 1-2 h (per earphone) / 2-3 h  ( Charging Compartment ) 8.Battery Capacity: 55 mA (Per Earphone) / 400 mA (Charging Compartment)   Kindly reminder : 1.When you receive the headset, you must charge ( charging bin: 2 hours charging; headset charging: 1 hour ), otherwise you will not be able to use normally.  Package: 1 *  A Pair of Wireless Bluetooth 4.2 Earphones 1 * Charger box  1 *  USB Charging Cable 1 *  User Manual   Note:  1.Does not include retail boxes.   2.Black, the light will dim when charging,If you like lighting, please choose white