Details:Portable Fashion Ultralight Bionic Sports Headphone Bluetooth 4.1 Stereo Wireless Sweatproof Earbuds Headset Earphone for Phone iPhone 4 4S 5 5C 5S 6 6 Plus iPad Mini 2 3 Samsung Galaxy S2 S3 S4 S5 Note 2 3 4 WhiteCompatible with any bluetooth devices(Bluetooth 4.1 or below)， such as iPhone 4 4S 5 5C 5S 6 6 Plus iPad Mini 2 3 Samsung Galaxy S2 S3 S4 S5 Note 2 3 4，etc.Designers developed the bionic wireless headset when there was an inspiration from cobra snake.Figures of two earpieces are similar with cobra snake skin， and earbuds shape is like cobra triangular headFeatures:UHD QualitySuperb and clear bass resonance6th generation CVC noise reductionT-Light earbudsSweat-proofVoice commandChinese-English ShiftAnswer a callEnd a callReject a callLast call redialingThree-way callingMultipoint pairing: Connect to 2 mobile phones simultaneouslySpecification:Bluetooth version: V4.1Battery capacity: 90 mAhFrequency range: 2.4GHz-2.48GHzFrequency response: 20Hz-20kHzOperation distance: up to 10m (free space)Bluetooth profiles: A2DP， AVRCP， HSP， HFPTalk/music time: about 5 hoursStandby time: up to 180hrsCharging time: about 2 hoursOperational temperature: -10 to 50 degrees CelsiusBluetooth Pairing:1.Keep the distance between the headset and phone within 1m2.Activate the headset，enter to pairing mode3.Initiate Bluetooth of phone(Android:Scan for device)，seach "Bluedio"4.Select "Bluedio"(some phones need to input PIN"0000" as password) and the headset will automatically connect with your phoneAttention:Generally，there are 120 seconds at maximum to pair headset with your phone， or the headset will power off automatically when the light goes out.Please retry steps 1 to 4 to pair again if your operation doesn't work.Color: WhitePackage:1 x BT sports headset1 x USB charging cable1 x User manual3 Pair Soft ear cap