Model: BH693Color: BlackWearing type : Ear HookFunction: Bluetooth，Microphone，Voice control，Answering Phone，Song Switching，Noise Cancelling，HiFi，Multi connection functionConnectivity : WirelessConnecting interface : 2.5mmApplication: Mobile phone，Computer，Portable Media PlayerSound channel: Two-channel (stereo)Talk time: 7-8 hoursMusic Time: 7-8 hoursStandby time: Up to 240 hoursCharging time: About 2 hoursBluetooth: YesBluetooth version: V4.0Powlev: CLASS IIBluetooth distance: W/O obstacles 10mBluetooth protocol: A2DP，HSP，HFPPackage weight: 0.136 kgProduct size (L x W x H): 3.900 x 6.200 x 1.300 cm / 1.535 x 2.441 x 0.512 inchesPackage size (L x W x H): 18.000 x 11.000 x 5.500 cm / 7.087 x 4.331 x 2.165 inchesPackage Contents: 1 x Earphone， 1 x English Manual， 1 x Storage Box， 1 x 2.5mm Charging CableMain Features:Bluetooth V4.0In ear and ear-hook style， very convenient when drivingAllows you to answer the call and listen to stereo music anytime and anywhereTransmission range is up to 10 metersVoice prompt (English/Chinese)Support HSP / HFP / A2DP profilesSupport multiple paired devicesIntegrated with echo cancellationBattery status is showed on phone(only support IOS devices)Suitable for all Bluetooth enabled devices