1. bluetooth solution: ab5656
2. bluetooth version: 6.0
3. bluetooth protocol: a2dp/avdtp/avrcp/rfcomm/
hfp/hsp/ spp/hid
4. transmission distance: straight line> 10 meters
5. speaker specification: 14.2mm copper ring speaker
6. lens properties: ordinary pc lens
7. battery capacity (single earphone):50mah
8. usage time: 5 hours (70% volume)
9. charging time: 1 hour
10. charging interface: type-c, current: dc-5v
11. waterproof grade: ipx5
12. control mode: button operation
13. wearing method: no in-ear
14. bare metal weight 36g. without packaging