Airpods Headphones with Microphone Bluetooth Wireless Headset Headphone

Modeli7SBluetooth versionV4.1Working rangeup to 10 meters on open airFrequency2.4G
Features:1.Model: i7S2.Bluetooth version: V4.13.Working range: up to 10 meters on open air4.Frequency: 2.4G5.Playing time: 2-3 hours6.Standby time: 120 hours7.Reception level of sensitivity: < -42Db8.Rechargeable battery: 60 mAh9.Compatible with Apple iPhone 6/6S/7/8 Plus, ipad, notebook, Samsung Galaxy Note 8 Android, etc.Package Include:1*One pair Earbuds1*User Manual1*Charging CableUser Manual:1. Switch on: Long Press 3 seconds Switch off: Long Press 5 Seconds Redial: Consecutive Press 2 times Next songs: Long Press 3 seconds when Bluetooth connected.2. These two Bluetooth headsets has set connected to each other. Long Press two earphones until the red and blue light flash alternately. Keep about 5-10 seconds, then switch off, it will be disconnected and connected.3. When two wireless earbuds connect one mobile phone, only one headset can make a call, but another can hang up. When listening Music, two earphones can work normally.4. When two wireless earbuds connect two devices separately, two headsets can work normally. And when your two mobile phone has connected these earbuds, after phone Bluetooth and earphones switch on, it will connect phone previously. once one cellphone`s Bluetooth cut off, the earphone will connect the another earphone automatic after 3-5 seconds within 10 meters.