Headphones Headsets KC9 TWS Wireless bluetooth 5.0 Earphone HiFi Sports Stereo Waterproof Headphone with Mic earphone

Headphones Headsets KC9 TWS Wireless bluetooth 5.0 Earphone HiFi Sports Stereo Waterproof Headphone with Mic
KC9 TWS Wireless bluetooth 5.0 Earphone HiFi Sports Stereo Waterproof Headphone with Mic Specifications: General Specification Brand Model KC9 Color Black+ Silver, Black, Black+ Red Wearing Type In-ear Material ABS+ PC Dimensions 30*16*30mmTechnical Parameters Microphone Yes bluetooth Version V5.0 Transmission Distance 10m Receive Sensitivity 98dB Impedance 32Ω Frequency Response 20-20kHz Battery Capacity Charging box: 500mAh, 3.7V Earphone: 55mAh*2, 3.7V Charging Time (h) 1.5h Talking Time 5.5h Working Time (h) 5h Standby Time (h) 220h Package Included: 1* KC9 TWS Wireless bluetooth 5.0 Earphone 1* USB Charging Cable