Blueteoth version: 5.0 Charging box battery capacity: 400 mAh Headphone battery capacity: 40mAh Charging time: 70 minutes Charge box to charge the headset: About 4 times Feature: Blueteoth Earphones True Wireless Headphones 5.0 TWS in-Ear Earbuds IPX5 Waterproof Mini Headset 3D Stereo Sound Sport Earpiece W/Mic and Portable Charging Case For Huawei Parameters Blueteoth version: 5.0 Charging box battery capacity: 400 mAh Headphone battery capacity: 40mAh Charging time: 70 minutes Charge box to charge the headset: About 4 times Functions Binaural call, left and right headphones can be used separately Auto power on / auto pair / automatic connection support Siri calling Multi-function touchable button Headphone music playback time is about 2-3 hours, talk time is about 4 hours, standby time is about 6 hours; Charging battery capacity 400mAH, headphone battery capacity 40mAh; Charging time is 70 minutes; Charging box charging voltage 5V; The charging box takes 1 hour, the charging box has a capacity of 400 mAh, and the charging red light flashes constantly; The charging box can charge the earphone for about 4 times; Package includes: 2 Blueteoth mini headphones (left and right headphones) 1 loading box 1 USB charging cable