Xo Be47 Helmet Bluetooth Headset (With Hard Mark + Charging Cable + Velcro)

Charging voltage: 5V 0.6A Chip: Qualcomm QCc3024 Bluetooth version: V5.3 Charging time: 2~3 hours Use time:25H hours(80% volume) Standby time: about 300 hours Talking time: about 20 hours Battery capacity:3.7v lithium polymer battery Headset size:97*45*23mm Waterproof arade:lPX6 waterproof Installation: sticky and clip type two kinds of Accessories: hard mark, charging cable, velcro Applicable scene: suitable for most full helmets, uncovered helmets, Rally helmets, retro helmets, 3/.4 helmets Bluetooth working frequency: 2.4-2.48Ghz Bluetooth distance 10-20 meters Speaker size:40MM speaker unit Battery capacity:800MAh Size/Weight: 94.1mm*71.6mm*26mm/49g