HiFi Stereo Bluetooth Headphone Wireless Headset

Line Length: NoneWith Microphone: YesPlug Type: WirelessResistance: 32ΩFunction: For Mobile Phone,HiFi Headphone,SportWireless Type: BluetoothSupport Apt-x: NoWaterproof: NoCommunication: WirelessModel Number: B570Volume Control: YesConnectors: 3.5mmFrequency Response Range: 20-20000HzActive Noise-Cancellation: NoVocalism Principle: Hybrid technologyIs wireless: YesBrand Name: ZEALOTSensitivity: 110±5dBSupport Memory Card: YesStyle: HeadbandSupport APP: NoControl Button: YesBluetooth Version: Bluetooth 4.0Operating Distance: Up To 10 metersBluetooth Files: A2DP, AVRCP, HSP, HFPSpeaker Size: 40mm Drive UnitSensitivity: >= 85dBBattery: 400mAh Rechargeable Lithium BatteryFM Radio: Support ( 87.5 ~ 108NHz )Music Play Time: About 8 HoursStandby Time: About 20 Days