Main 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 devicesModel: BH693 Color: Black Wearing type : Ear Hook Function: Bluetooth，Microphone，Voice control，Answering Phone，Song Switching，Noise Cancelling，HiFi，Multi connection function Connectivity : Wireless Connecting interface : 2.5mm Application: Mobile phone，Computer，Portable Media Player Sound channel: Two-channel (stereo) Talk time: 7-8 hours Music Time: 7-8 hours Standby time: Up to 240 hours Charging time: About 2 hours Bluetooth: Yes Bluetooth version: V4.0 Powlev: CLASS II Bluetooth distance: W/O obstacles 10m Bluetooth protocol: A2DP，HSP，HFP Package weight: 0.136 kg Product size (L x W x H): 3.900 x 6.200 x 1.300 cm / 1.535 x 2.441 x 0.512 inches Package size (L x W x H): 18.000 x 11.000 x 5.500 cm / 7.087 x 4.331 x 2.165 inches Package Contents: 1 x Earphone， 1 x English Manual， 1 x Storage Box， 1 x 2.5mm Charging Cable