Feature:1. Using bluetooth 5.0 technology to support stable signal transmission,you can have a good experience.2. Builtin highquality antiinterference microphone,it can keep high sound fidelity.3. Handsfree answering and hanging up calls,automatic call callback and other functions can effectively realize.4. Ultra low energy consumption and has long standby time,it supports mobile phone and other devices.5. When listening to a song, you can control the upper and lower songs, the volume increase and decrease, and the playback pause.6. Simple operation and easy to use,equipped with fixing clips, also suitable for half helmets and other types of helmets.Specification:Item Type: Motorcycle Bluetooth Helmet HeadsetMaterial: ABSModel: M6Sound Channel: Stereo SoundHow To Use: Head-MountedBluetooth Name: Bluetooth HeadsetBluetooth Version: V5.0Bluetooth Protocol: A2DP, L2CAP, HFP, AVRCP, AVDTP, AVCTPFrequency Range: 2.4026GHz-2.480GHzCharging Time: 1hourListening Time: 7-10hoursStandby Time: 360hoursContinuous Working Time: 15hoursRange: Approx. 10m/32.8ft(Up To Approx. 30m/98.4ft Without Barriers)The Transmission Distance Of The Microphone: Approx. 1m/3.2ftSingle Headset Power: 0.5WBattery Capacity: Lithium Battery 250mAh (Shipped With Built-In Battery)Charging Voltage: 5VFunction: Support Music, Call Back, Call Function Chinese and English Switching, Automatic Answering.Package List:1 x Headset4 x Hook&Loop1 x Charging Cable1 x Instruction Book4 x Long Screw4 x Short Screw8 x Screw Nut1 x Set of Fixing Clips (6 Accessories)