Esperanza EH219 CALYPSO

Performance:Wearing style: Head-bandHeadset type: BinauralProduct colour: BlackPorts & interfaces:LED backlight: YesBluetooth profiles: A2DP, HFP, HSP, AVRCPConnectivity technology: WirelessBacklight colour: RGBBluetooth: YesWireless range: 10 mBluetooth version: 5.03.5 mm connector: YesBattery:Continuous audio playback time: 7 hPower requirements: 5V DCBattery capacity: 250 mAhBattery technology: Lithium Polymer (LiPo)Talk time: 10 hBattery recharge time: 2 hMicrophone:Frequency response: 30-16