Pair with Any 2 DevicesIt can pair with 2 different Bluetooth devices simultaneously! You can control and switch the operation between 2 different devices at the same time.Easy to useThis headset can do this easily: forward /backward, double linking, volume +/-, pause, last number redialing, and automatic pairing.Pairing tips: --First Time to pair: 1. Long press the power button for 5 seconds until red& blue light flashes alternatively and you can hear "power on " to enter the pairing model; 2.start your Bluetooth function on the phone; 3.search for the device name" AWEI MUSIC**", touch it to connect with earphone, only blue light will flashes and you can hear" connected ", device connected successfully. --Pairing it second time: 1. Following the above step 1 to enter the pairing model;2. start your Bluetooth function on the phone;3.find " AWEI MUSIC**" in paired device history record list and touch it to connect successfully.Warm tips for users --Charging the headset before first usage for 2 hours, charge it more than 2 hours will hurt the battery.--Charge connector: PC/laptop, Support 5V 500mah-1A charger only.--Warning: NOT USE Power bank. The 5V 2A charger, over voltage, earphone can't be charged normally. SpecificationBluetooth version: V4.0Chip: CSR8645Sensitivity:110dB ±3dBImpedance:16Ω±15%Transmission distance: 10 metersStandby time: 180HMusic play time: 4H Charging time: 2HProtocols: A2DP AVRCP HSP HFPAccessories：1 * headset2 *ear endplates2 *ear caps(gift)3 pairs of ear caps (small middle large)1 * charging cable1 * English user manualContact with Us https://www.amazon.com/ss/help/contact/?marketplaceID=ATVPDKIKX0DER&sellerID=A1XUYXC6ZKF3ZB
