1、Built in professional grade powerful noise reduction chip, bringing you higher fidelity and clearer recording sound quality and playback, and easily meet the needs. 2、Switch between voice control and normal mode, turn on voice control, record when there is sound, and pause without sound, which effectively saves storage space and improves work efficiency. 3、Built in 1200mAh lithium battery, with strong power life; built in strong magnet, easy to install, can be directly adsorbed on the metal surface tightly. 4、When the system detects low battery, it will automatically save the file for early and then automatically shut down to ensure that the recording data is not lost. 5、Connect the OTG adapter, you can play and manage recording files on your mobile phone. 1 x Voice Recorder1 x Earphones1 x Converter1 x USB Cable1 x Manual  Item Type: Voice RecorderMaterial: ABS+Aluminum AlloyModel: Q65Recording Format: WAVInterface: USB 2.0Sampling Rate: 48kHzRecording Bit Rate: 192kbpsBattery Type: Lithium BatteryBattery Capacity: 1200mAh (Built In)