1. Material: ABS, electronic components
2. Functions: battery display, call function, NFC function, voice control, multi-point connection
3. Bluetooth protocol: 5.0
4. Transmission range: 15 meters
5. Channel: Stereo
6. Speaker impedance: 10mm, 16 ohms
7. Wireless frequency: 2.4GHZ
8. Playing time: 8-10 hours
9. Adopt IPX7 waterproof
10. Unique diaphragm speaker to create 9D sound effect
11. Ergonomic ear design, comfortable and firm
12. Net weight: 88 grams