Product Description

Speaker: 8mm Impedance: 32Ω ± 15% Frequency response: 20~20000Hz Bluetooth specification: Bluetooth V4.2 Supporting protocols: A2DP, AVRCP, HSP, HFP Transmission range: 10 meters Charging voltage: DC 5V Charging time: about 2 hours Call time: 2 hours Music time: 2 hours Standby time: 55 hours or more Battery capacity: 55mah *2 Size: 23*29*27mm Machine weight: 5.5g *2 Finished product single weight: 150g Microphone sensitivity: -42±3db