Bluetooth earbuds:
Bluetooth 5.1
Up to 10 m wireless range
True Wireless Stereo Music Playback
Frequency range of speakers: 20 Hz-20 kHz
Support Multi-point
Earphone battery: 50 mAh
Talk time: up to 6 hours
Standby time: up to 280 hours
Powerbank:
Capacity: 2000 mAh
Input voltage: 5 V
Output voltage: 5 V / 0.5A
