TRN BT20 Wireless bluetooth V5.0 Upgrade Earphone Amp Bass Waterproof Removable Cable Sport With HD Mic

Features: 1.Wireless freedom without boundary. 2.Withstand repeat flexing and bending of up to 90. 3.Free, easy operation.No part of it is compromised. 4.Ergonomically-designed to seat comfortably and security over the ears. 5.Two built-in 70mAh Li-ion rechargeable batteries for remarkably long playback and stand-by time. 6.bluetooth 5.0 for the fastest, smoothest audio streaming, you'll get noise and distortion-free sound in Dual audio mode. Specifications: General Specification Brand TRN Model BT20 Type 0.75mm, 0.78mm, MMCX Wearing Type In-ear Material ABS Net Weight (g) 0.25kg Dimensions (cm/ inch) 14*8*5cm Technical Parameters Microphone Yes Wired Control Not support bluetooth Version 5.0 Transmission Distance 10m Frequency Response 20-22KHz Battery Capacity 70mAh, 3.7V Charging Time (h) 2h Taking Time 4.5h Working Time (h) 6h Standby Time (h) 180h Package Included: 1*BT20 Earphone With HD Mic 1*Manual