Details:
Item: H3 Bluetooth headset
Transmission range: 20 meters
Function: Power display, call function, NFC function, voice control, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Mono
How to use: Earplug type
Whether single or dual ear: Bilateral stereo

Headphone battery: 3.7V 40 mA
Rechargeable battery: 3.7V 1800 mA
Headphone charging time: About 1H
Charging time of the charging box: About 2H

Material: ABS