[Truly Wireless] TWS-7 bluetooth Earphone Headphone With Charger Box

Features: 1. Truly wireless bluetooth earphone, break the shackle of wire, enjoy music more freely. 2. Advanced storage box with charging function, more convenient while going outside. 3. Simple operation, you could answer calls, control music by the multifunctional button. 4. Intelligent voice prompt, it could indicate you the real-time state of the earphone. 5. Ergonomic design, provide you more comfortable wearing experience. Specifications: General Specification Model TWS-7 Color Black, White Wearing Type In-ear Technical Parameters Microphone Yes Wired Control Not support bluetooth Version V4.2 Transmission Distance 10m Receive Sensitivity 105dB Impedance 32 Frequency Response 20-20000Hz Battery Capacity Charger: 450mAh, 3.7V Earphone: 45mAh Charging Time (h) 1.5 hours Talking Time 4 hours Working Time (h) 4 hours Standby Time (h) 160 hours Package Included: 1* TWS-7 bluetooth Earphone 1* Charging Cable 2* Pairs of earmuffs 1* Manual