Hello and welcome to our store. We hope our service can satisfy you and wish you have a pleasant shopping experience! Features: This true wireless Bluetooth earphones feature Bluetooth 5.0 chip, automatic boot pairing, built-in active noise reduction IC, HD call and large capacity lasting battery life. This product features 14.2 graphene diaphragm, professional alloy sound-transmitting network, high-fidelity sound, intelligent noise reduction, 108dB sensitivity, oxygen-free copper voice coil. Two Connection Methods: Single / double free to use, single ear listening to enjoy alone, listening to HiFi stereo in both ears. Smart Touch Operation: Automatic power on/off / answer / reject / last song / next song / call Siri. It ensures 5.0 Bluetooth game without delay, and the electric cabin can be used as a mobile phone bracket and mobile phone emergency power supply for multi-function use. Headphones support fingerprint smart touch, reject push button With IPX6 waterproof rating, don't worry about rain and sweat Binaural HD call, 5.0 automatic boot pairing, CVC8.0 built-in active noise reduction IC. parameter: Bluetooth version: 5.0 (Binaural call) Support protocol: A2DP, AVRCP, HFP, HSP, SPP Working temperature: -10 ° — 55 ° Charging voltage: 5VF-500MA Headphone speaker: φ8mm Headphone battery capacity: 50MAH Storage box battery capacity: 4000MAH Transmission distance:> 10m Operation: fingerprint touch Talk time: 4-5 hours Play time: 4-5 hours Headphone charging time: 1 hour Storage box charging time: 2 hours Support system: all Bluetooth-enabled devices and mobile phones Package Included: 1/2x headphones 1x data cable 1x charging compartment 4x ear caps Manufacture Country: China The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. Earpiece working time: from 4 to 5 hours