Bluetooth Version: V5.0 

Chip: Airoha AB1526P

Profile Support: HSP, HFP, A2DP, AVRCP Stand-by 

Time: 300h Talk Time: 3h 

Music Play Time: 2.5h 

Charging Time: 1 h 

Charging Voltage: DC 5V 

Frequency Range: 2.402G-2.480G 

Ambient Temperature: -20/+60 degree 

Transmission Distance: 10m Earbuds 

Battery Capacity: 45mAh / 3.7V 

Charging Case Battery Capacity: 360mAh / 3.7V 

Driver Unit: 6mm 

Sensitivity: 92dB ± 3dB 

Impedance: 16Ω±15% 

Frequency Response: 20-20000Hz