Transmission range: 10 meters Function: power display, call function, voice control, support music, multi-point connection Custom processing Bluetooth protocol: 5.0 Channel: Stereo How to use: earplugs Whether single or double ears: Bilateral stereo Color: black, white, pink Mold type: private mold Chip type: Zhongke Lanxun Battery life: 6 (hours) Listed Year/Season: 2020 Just change but not repair: not supported
