Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Transmission range: 10 metersFunction: support music， voice control， phone， electricity， according to a multipoint connectionBluetooth protocol: 4.1Track: stereoUse method: earplugsWhether the single and double ears: unilateral hands-freeColors: black， white， golden， silver， rose gold4.1 standard configuration: bluetooth host， ears hang， headphones line， USB charging line， specification， packagingCall: hd noise clearly on the phone， voice control answer YES answer NO hang upCalls to broadcast number: telephone voice to mobile phone numberVoice prompt: to telegraph number/boot/is power off/connected/disconnected/low power and so onListening to music: / pause/play.Power shows that: in the iphone can display power of bluetooth headsetDual standby: connecting two mobile phone or a tablet at the same timeIntelligent CVC dual mic noise reductionCompatibility: can be used with bluetooth phones， regardless of the brandPackage include: 1 x Bluetooth headset