Feature:1. It built‑in 180mah lithium‑ion battery with 1.5 hours charging time that can stand by up to about 160 hours or work 8 hours continuously.2. This helmet headset has a microphone function and supports automatic answering of calls, and then continue to play music after answering.3. It has advanced and noise suppression technology, you can enjoy wireless two‑channel stereo music experience during riding.4. It is easy to install, use and disassemble, and supports the display of battery status from IOS and for phones.5. The paired mobile phones within the range of 20~30 meters are automatically connected(depending on the device), and its built‑in 5.0 is compatible with almost all mobile devices.How to Use:1. Install the headset inside the helmet.2. Long press the power button for three seconds, the headset is turned on and enters the Bluetooth pairing state.3. Turn on the Bluetooth of the mobile phone, you can use it after pairing.Specification:Item Type: Motorcycle Bluetooth HeadsetMaterial: ABSBluetooth Version: 5.0Frequency: 2.402GHz-2.480GHzRange: Approx. 20~30m/65.6~98.4ft (Depending on the surrounding environment of the equipment such as obstacles, etc.)Microphone Transmission Distance: ≤1mBattery Capacity: 180mAh Lithium Battery (Shipped With Battery)Playing Time: About 8 HoursCharging Time: About 1.5 HoursStandby Time: About 160 Hours Package List:1 x Headphone2 x Hook&Loop1 x Charging Cable1 x Manual