Remax Audio Sleepbuds Z2 Dreamer Sleep True Wireless Music Earbuds

Product Name : Sleepbuds Z2 Wireless Version : V5.3 Transmission Distance : ~ 10M Driver Unit : 6mm Frequency Response : 20Hz-20KHz Output Sensitivity : 102db + 2db Microphone Sensitivity : -40db + 3db Impedance : 16omh + 15% Rated Power : 3mW Charging Case Battery Capacity : 230mAH Earbuds Battery Capacity : 30mAH Charging Time : 3 Times Input : 5V-300mA Play Time : 5 Hours Standby Time : 130 Hours Charging Time : 1.5 Hour Net Weight : 39g Size : 63*45.3*28.5mm