This item is a motorcycle headset, made of plastic material, practical and durable, can serve you long time. You can enjoy great calling and sound quality, no need to answer the phone with hands, come with practical microphone. Waterproof and wireless design, it is suitable for outdoor motorcycle riding, sporting and other outdoor activities. Features -Color: Black. -Material: Plastic. - Size: 10.00X4.00X2.00cm/3.93X1.57X0.79in -BT version: 5.0. -Frequency range: 2.402GHz~2.480GHz. -BT distance: 20~30m (varies by mobile phone). -Lithium battery capacity: 3.7V/450mAh. -Charging voltage: 5V. -Working hours: 18 hours (depending on usage). -Charging time: about 2 hours. -Standby time: about 360 hours. -Manufactured with gentle plastic material, durable and practical, waterproof and with convenient microphone. -Automatic call answering, support hands-free function, make riding safer, more convenient to communicate with friends. -Lightweight and portable, it will not increase extra burden, easy to store in pocket and backpack. -Waterproof and wireless design, wind and rain anymore in outdoor motorcycle riding. -A good gift to your family and friends who like motorcycle riding, and they will like it. Package list: 1 x wireless earphone 1 x earphone cable 1 x earphone clip 1 -C charging cable 1 x manual