Product information:
Transmission range: 10 meters
Function: battery display, call function, music support, multi-point connection
Bluetooth protocol: 5.0
Sound channel: stereo
Usage: head-mounted
Whether single or double ear: bilateral stereo
Packing list:
Helmet Bluetooth headset*1 set
Product information:
Transmission range: 10 meters
Function: battery display, call function, music support, multi-point connection
Bluetooth protocol: 5.0
Sound channel: stereo
Usage: head-mounted
Whether single or double ear: bilateral stereo
Packing list:
Helmet Bluetooth headset*1 set
General guide only. Fit varies by brand and style; use garment-specific measurements if supplied.
| Size | Chest (in) | Chest (cm) |
|---|---|---|
| S | 36–38 | 91–97 |
| M | 38–40 | 97–102 |
| L | 40–42 | 102–107 |
| XL | 42–44 | 107–112 |
| XXL | 44–46 | 112–117 |
Measurements are indicative body-chest ranges, not garment measurements.
