This is a motorcycle headset. It is made with excellent craftsmanship and scientific design, with excellent texture, which can help you to transmit sound signals clearly. This is a great people who like to ride a motorcycle. This will bring convenience for them to answer and make calls while riding. Features - Color: Black. - Material: Plastic. - Size: 10.00X4.30X1.50cm/3.93X1.69X0.59 inch. - Made of premium materials, safe and durable, you can wear it with confidence. - The creative design makes it easy to wear and can provide you with relaxed and comfortable application. - With reasonable design and practical functions, it can achieve sound signal transmission for you. - Strict quality inspection system ensures you product. - Adopted from material, it is durable and use. Specification - Frequency: 2.402GHz-2.480GHz. - Wireless distance: 10m-20m (depending on the environment around the equipment such as obstacles). - Microphone transmission distance: <=1m. - Lithium ion battery: 3.7V / 180mA. - Play time: <=8 hours. - Charging voltage: 5V. - Charging time: <=2 hours. - Standby time: <=160 hours. Package list: 1 x Motorcycle Headphone