TWS Wireless Bluetooth Earphones High-Fidelity Stereo Earbuds True Wireless Mini Earphones Sports Gaming Bluetooth Earphones

We are focus on affordable 3C Earphone products. We will try our best to offer affordable products and good customer service. Any things need help, please feel free to contact us po. We will always try our best to offer help. Factory directly and no Retail box. Compatiable with IOS and Android phone. Touch control buds. Includes: KY8 earphone. Charger cable. Freebies. Product name: Crystal True Wireless Earphones. Bluetooth version: Bluetooth 5.3+EDR. Audio decoding protocol: SBC/AAC. Transmission range: 15m. Speaker type: coaxial double moving coil. Mobile coil speaker specifications: 8mm. Speaker sensitivity: 1063dB. Frequency range: 20Hz~20kHz. Music time: about 7 hours. Talk time: about 4 hours. Total working time: approximately 25 hours. Headphone battery: 30mAh. Charging box battery: 300mAh, can charge the earphones 4 times. Headphone charging time: about 1 hour. Charging box charging time: about 1.5 hours. Charging box input: 5V=0.45A. Headphone size: about 14.1x9.5x3.5cm. Singl