Specification Technical Specification Frequency Range 2403-2477MHz Driver Diameter Φ40mm Connectivity 2.4GHz BT AUX Bluetooth Version: V5.3 Battery Capacity Battery Capacity: （600mA/h 3.7V) Standby Time: Max.20h Charging Time: about 2.5h Others Rated Voltage: 3.7V USB charging cable：1.8m±5cm Loudspeaker specification: Impedance: 17±15% OHMS Frequency Response: 20~20KHz Drive Unit Dimensions: Φ40mm Physical Specification Color White, Black Microphone Frequency 100~10000Hz Sensitivity -42±3 dB Pick-up Pattern Omnidirectional Warranty Information Manufacturing Warranty 01 Year Warranty
