[Truly Wireless] Air TWS Portable Noise Cancelling HiFi Dual Bluetooth Earphone With Charger Box

Features: 1. Adopted advanced Bluetooth 4.2 technology, truly wireless earphone, enjoy music freely without shackle of wire. 2. Comes with an integrated storage charger box, put the earphone into the box and they would be charged automatically. 3. Built-in high performance acoustic chip, provide you mellow and strong highs and lows, immersing you into music. 4. Multifunctional button, easy to operate, answer or hang up the call by one click, more convenient while driving, jogging, etc. Specifications: General Specification Brand Air-TWS Model S1 Color Black Wearing Type In-ear Technical Parameters Microphone Yes Wired Control Not support Bluetooth Version V4.2 Transmission Distance 10m Receive Sensitivity 95dB Impedance 16 Frequency Response 21-18kHz Charger Box Capacity 320mAh, 3.7V Battery Capacity 40mAh*2 Charging Time (h) 2h Taking Time 4h Music Time (h) 3h Standby Time (h) 120h Package Included: 1x Dual Bluetooth Headphones 1x Charging box 1x USB Cable