Edifier MiniBuds Music Portable Mini Call Wireless Bluetooth 5.0 Earphone with Charing Box(Smog Blue)

1. Mute noise reduction, presenting pure sound quality and clear voice calls
2. Channel: Bilateral stereo
3. Function: call function, support music
4. Sensitivity: 95dB
5. Transmission range: 10 meters
6. Frequency response range: 20-20KHz
7. Mode of use: earplug style
8. Bluetooth protocol: 5.0
9. Decoding format: SBC, aptX
10. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
11. Life time: 6 hours (headphones) + 15 hours (charging box)
12. Battery capacity: earphone about 50mah x 2, charging box about 350mah
13. Charging time: about 1.5 hours