Waterproof Wireless In-ear Headphones $ 28.18 Product information Transmission range: 10 meters Function: battery display, call function, voice control, support music Bluetooth protocol: 5.0 Channel: Stereo How to use: head-mounted Single or dual ear: bilateral stereo Mold type: private mold Chip type: Zhongke Lanxun Packing list Bluetooth headset x1
