Features:Magnetic design, in-ear design, waterproof anti-sweat, intelligent noise reduction, Bluetooth 4.2, low power transmission, power display, Chinese and EnglishBuilt-in lithium battery safety, use one hour a day, only need fresh once a week, say goodbye to frequent refillsWaterproof design, you can enjoy music for recreation and sportsSupport two mobile phones at the same time, switch freely, play games and calls Specifications:Bluetooth version: version 4.2Transmission distance: outdoor distance in a straight line of 10 metersBattery capacity: 55 mAh polymer lithium batteryListen to music time: 2.5 hours Support up and down music / pause playTalk Time: 2.5 hoursStandby time: 130 hoursCharge time: 1-2 hoursOperating Current: 22MAStandby current: 4uAPairing mode: long, red, blue and fast flash support is in pairing modeChinese and English voice switching: When the red and blue lights alternately flash, press the power button twice.Your prompt: Quick start: POWER ONSuspending Suspe