CIRCE K5 Handsfree Wireless Bluetooth Earphone Car Handsfree Bluetooth Headsets Phone Earphones with Mic(Black)

Line Length:NoneWith Microphone:YesWireless Type:bluetoothConnectors:USBWaterproof:NoCommunication:WirelessSupport Memory Card:NoVolume Control:YesFrequency Response Range:20-20000HzSensitivity:80dBIs wireless:YesVocalism Principle:DynamicSupport APP:NoSpecifications:Model: K5Color: Black Blue RedWearing type: In-ear with ear hookFeature: Wireless HeadphoneFunction: Answering phone Bluetooth MicrophoneConnectivity: WirelessConnecting interface: Micro USBApplication: Mobile Phone SportPower supply: Built-in rechargeable batteryBluetooth version: V4.1Bluetooth mode: Hands free HeadsetBattery:75mAhCharging time:1-2 hrsTalking time:about 5hrsMusic time:about 4hrsStandby time:100hrsTransmission distance: 10 metersCharging power supply: AC input 110-240V DC output 5VTransmission power: Class2Radio frequency: 2.402-2.480GHzNoise Reduction: CVC6.0 Noise Cancellation TechnologyCharging interface: Micro-USBSupport: HSP HFP A2DP AVRCP