This wireless earpiece with built-in 50mAh battery, last for 2-3 hours of playtime Each connected to the Bluetooth headset after phone off, then open when the Bluetooth headset will automatically connect back to the phone, but also convenient and fasterWith Mic:YesBluetooth version: 4.0Wireless range: 13 mBattery life: 2 hr | Charging time: 1Model Name: RV Bluetooth Earphone Single Ear Headphone Sport WirelessColor: BlackHeadphone Type: In the EarInline Remote: YesSales Package: 1 Bluetoorh, HeadsetConnectivity: BluetoothSweat Proof: YesFoldable/Collapsible: YesDeep Bass: NoWater Resistant: YesMonaural: YesDesigned For: ALL BLUETOOTH DEVICESSeries: RVSystem Requirements: Only BluetoothControls: Volume control, On/Off Power Switch,Technology Used: BluetoothBoom Microphone: YesWith Microphone: YesSensitivity: 106 dBmWImpedance: 32 ohmMaximum Power Input: 200 mWMinimum Frequency Response: 18 HzMaximum Frequency Response: 2000 HzNoise Reduction: 20 dBOther Sound Features: Yes in the earWireless Type: Wireless headphoneWireless Range: 13 mBluetooth Version: 4.0Bluetooth Range: 13 mBattery Output: 2 VBattery Life: 2 hrCharging Time: 1Play Time: 21 hrStandby Time: 24 hrOther Power Features: Wireless Bluetooth Earpiece with Mic, Noise Cancelling True Wireless Bluetooth Headset V4.1 Handsfree Earhook Headphones for Business/Meeting/DrivingWidth: 12 mmHeight: 8 mmDepth: 10 mmWeight: 0.2 gWarranty Summary: 10 Days Replacement PolicyWarranty Service Type: 10 Days Replacement PolicyCovered in Warranty: 10 Days Replacement PolicyNot Covered in Warranty: 10 Days Replacement Policy
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