ITEM NAME:Motorbike Helmet Bluetooth MH03 Headsets Wireless Headphones Stereo Speaker Product Description Description: Motorcycle Motorbike Helmet Bluetooth MH03 Headsets Wireless Headphones Stereo Speaker Hand-free Earphone Specification: Bluetooth version: 4.2+BR+EDR Frequency: 2.402GHz-2.480GHz Support Bluetooth Protocol: Support a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile Effective distance: 10-15 meters / barrier free 30 meters Frequency: 2.402 GHz to 2.480GHz Distortion: -70db Data transmission rate: 300Kb/S Audio coding specification: SBC Transmission power: 4dbm Signal to noise ratio: >90db Sensitivity: -85db Headphone transmission distance: ≠¤1 meters Battery: built in 3.7V 180mA lithium battery Use time: ≠¤8 hours Charging voltage: 5V Charge time: ≠¤1 hours Standby time: ≠¤160 hours Bluetooth Name: Music hat Color: Black Size: 14x2.5cm/5.51x0.98'' Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x Helmet Bluetooth MH03 Headset 1 x USB Cable 1 x User Manual.Bluetooth version: 4.2+BR+EDR. Support Bluetooth Protocol: Support a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile. If item is defective after 3 months, you can still send it back to us.
