Ports & interfaces USB connectivity: Yes Wireless range: 10 m USB connector: USB Type-C Bluetooth profiles: HSP, A2DP, AVRCP, HFP Bluetooth version: 5.1 Bluetooth: Yes Connectivity technology: Wireless
Battery Battery operated: Yes Battery capacity: 135 mAh Battery type: Built-in battery Standby time: 240 h Battery recharge time: 2 h Continuous audio playback time: 6 h
Safety warning Warnings: Keep away from children., Do not use near sources of heat or flame., Regularly check the condition of the batteries to prevent leaks.
Headphones Headphone frequency: 20 - 20000 Hz Headphone sensitivity: 96 dB Ear coupling: Bone conduction