Technical characteristics
* BT 5.0
* Autonomy Up to 3 hours
* Charging time 2 hours
* Frequency range 20 ~ 20,000Hz
* Impedance 32 O
* Sensitivity 104±3dB
* BT profiles A2DP, AVRCP, HFP
* Battery capacity 40 mAh (one earphone), 320 mAh (charging case)
* weight 36g
