ProductIntroduction: Product Name: True Wireless Bluetooth Earphones Size: 66 * 32.8 * 30.5cm Color: Green/Purple/Orange/Black Bluetooth version: 5.2 Talk time: 3h Charging time: 1H Standby time: 150 hours Music time: 3-4 hours Battery: Headphone 25 mA; Charging compartment 200 mA Keys: Touch buttons Charging interface: TYPE-C Output voltage: DC5V/0.5A Input voltage: DC5V/0.5A Packinglist: 1* Earphone