1、Long Lasting Battery Life: Bluetooth 2 headset is equipped with a high capacity lithium battery for fast charging and long battery life. 2、Advanced Chip: Wireless headset uses a 2 Bluetooth chip to control low power consumption, with a longer transmission distance, faster speed and a wider sound range, and hifi sound quality. 3、Ergonomic Design: Bluetooth wireless headset is designed to fit over the ear, making it more comfortable to wear. No discomfort even after a full day's wear. 4、Waterproof Design: Bluetooth earphones are waterproof and have a fully enclosed sound chamber to prevent sweat and rain from penetrating. 5、Real Time Display: Business headset supports for IOS systems and some for Android systems, with a real time power display, so you can easily keep track of the headset's battery life and not worry about running out of power. 1 x Bluetooth Earphones (Battery Included)1 x Charging Cable 1 x Manual Item Type: Bluetooth EarphonesMaterial: ABSBluetooth Protocol: 5.2Battery Life: 4 HoursTransmission Distance: 10m/ 32.8ftBuilt in Li polymer Battery: 240mAh Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.