PD-BT550 True Wireless Earphones Headphone for Music & Call, Earbuds Noise Cancellation, Calling/music 4 hours, Standby 40 hours, Standard Version, White

OverviewMaterial：ABS Bluetooth Version/chipset：5.4/JL6973D4 Transmission Distance：10M Working Voltage：3.0V～4.2V Impendance：32Ω Speaker Power：Rating 3mW Charging case Battery：300mA/Earbud:35mAh Charging Time：1H Calling：4H Music Play：4H Standby：40H 1. Bluetooth version 5.4, long-distance continuous connection, super good sound quality; 2. Small and exquisite, in-ear type, comfortable to wear; 3. Sliding adjustment control;