Q36 Wireless Sports Headphone Bluetooth-compatible 5.3 Headset Ear Hook Design Earphone with Charging Case - Nude Equipped with non-slip ear hooks and ergonomically designed,they fit closely with your ears to form a triangular stable support,allowing you to move however you want. Comfortable to wear on the ears,you can run,skip rope,dance,and box as you like,you can't shake it off,and you can exercise freely. High-density lithium battery,combined with low-power consumption chip,charges faster and lasts longer,allowing you to enjoy music continuously and worry-free Pick up automatic pairing,no need to wait seconds to connect Digital display power screen,the power level is clear at a glance Switch between single and double ears at will,automatically turn on and connect in seconds after taking out the earphones Specification: Bluetooth-compatible version: Bluetooth-compatible V5.3 Frequency range: 2.402GHz-2.480GHz Transmission distance (barrier-free): ≥10 meters Sound channel system: true stereo Speaker impedance: 16Ω/Ф6mm Headphone battery capacity: 40mAh Battery life: cycle ≥500 times Charging voltage ±0.25V: DC 5V Charging box battery capacity: 300mAh Headphone charging time ±0.2H: 1.5h Call time: 5h Play time: 5h Standby time: 120h Package included: 2 x Bluetooth-compatible Earphones 1 x Charging Case 1 x Charging Cable 1 x English and Chinese User Manual Other items not included