1. Bluetooth version: 5.0
2. Earbud size: 40.27x17.65x22.1mm weight: 4.6g
3. Charging case size: 36x72x27.95mm weight: 44g
4. Playback in stereo mode: 5 or 6hr
5. Standby in stereo mode: 150hr
6. Semi-in-ear design comfortable to wear
7. IPX5 waterproof function
8. AAC/SBC technology offering Hifi sound
9. Pick up to auto connect easy to use
10. Sensitive touch control reducing pressure on ears