2pcs 7.4V 1000mAh 20C Lipo Battery for WLtoys V912 RC Helicopter Spare Parts Cell Phones Common Headphone Wireless Type: Bluetooth

Common Headphone Wireless Type: Bluetooth With Microphone: No Is wireless: Yes Support APP: Yes Support Memory Card: No Support Apt-x: No Waterproof: No Resistance: 16¦¸ Line Length: None Frequency Response Range: 20-20000Hz Sensitivity: 118¡À3dB Plug Type: Wireless Active Noise-Cancellation: Yes Volume Control: Yes Control Button: Yes Vocalism Principle: Dynamic Connectors: None Communication: Wireless Style: Headband

the charger will work under the constant current mode and supply the constant current for the battery

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Dual Band rate up to 1167Mbps

2pcs 7.4V 1000mAh 20C Lipo Battery for WLtoys V912 RC Helicopter Spare Parts Cell Phones Common Headphone Wireless Type: BluetoothSpecification: Rated capacity: 1000mAh Voltage: 7. 4V Monolithic core standard batteries voltage: 3. 7V Monolithic core full of voltage : 4. 2V Charging current: 15C Discharge current: 20C Discharger plug : JST Discharger cable length: 10cm silicone wire Usage: For WLtoys V912 Four way remote control of the aircraft Caution: Don't over charge, or over discharge batteries. Don't put it beside the high temperature condition. Don't throw it into fire.