Gugxiom Bone Conduction Helmet Headset Wireless Headset

Specification: Item Type: Bone Conduction Helmet Headset Material: ABS Wireless: BT 5.0 Wireless range: ≥10 meters Frequency response range: 20 hours -20KHz Support protocol: HFPV1.7 A2DPV1.3,1 AVRCPV1.6 HSPV1.2 Battery Type: Built-in 400mAh lithium battery Playing time: about 8 hours Calls Time: about 9 hours Standby time: about 280 hours Package List: 1 x Headphone 1 x Microphone 1 x data line 2 x Chinese and English manual 1 x Hole Plug 3 x sticker 1 x Card Line Device