AWEI T55 True Wireless Earbuds

Bluetooth Specifications Bluetooth Version: V5.3 
Profile Support: HSP, HFP, A2DP, AVRCP Stand-by Time: 300 h 
Talk Time: 8h 
Music Play Time: 7 h Charging Time: 1h 
Charging Voltage: DC 5V 
Frequency Range: 2.402G-2.480G 
Ambient Temperature: -20/+45°C Transmission Distance: 10m 
Battery Capacity:35mAh 
Charging compartment battery capacity: 360mAh 
Driver Specification 
Driver Unit:6 mm Sensitivity:92dB ±3dB 
Impedance: 160 ± 15% 
Frequency Response:20-20000Hz