Features:100% brand new and high quality.specially designed for right ear， only suitable for right ear wearingInvisible stealth earphone， suitable for sports and driving use.Long time press earphone button more than 5 seconds.You will see red and blue light flashing alternately.Then connect your Bluetooth， and use earphone. Suit: for all Bluetooth deviceTechnology: Bluetooth 4.0Radio frequency: 2.402-2.480GHzAudio output: 35mW， <15mATransmission range: <10m/393.7”Charging power: Input AC 110-240V; Output DC 5VCharging time: 2 hoursTalk time: 4 hoursMusic play: 3 hoursStandby time: 120 hoursColor: pink， khaki， white， black， blueWearing styles: In-Ear mini headphonesBattery: 50mA rechargeable lithium battery Package includes: 1 x headphone， 1 x charging cablehttp://contestimg.wish.com/api/image/rating?name=7d7d7a927ae011e6a922065f903a9ac5.jpg&w=1000&h=1000&m=0&t=0