Heart Rate OWS earphones; Unique deisgn, Super Sound
Bluetooth Version:V5.4+EDR
Chipset: JL7103D4
Profile:HSP/HFP/A2DP/AVRCP
Material:ABS
Bluetooth Distance: 10Meters
Impedence: 32Ω
Driver Size:φ12mm
Frequency Range:20-20Khz
Sensitivity:95db ±3db
Battery: 40mAh / 300mAh
Number of Recharge: 3
Charging port type: Type-C
Charging Time: 1.5Hours
Playing Time: 5-6Hours