Feature: 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. Specification: Item Type: Voice Recorder Material: ABS+Aluminum Alloy Model: Q65 Recording Format: WAV Interface: USB2.0 Sampling Rate: 48kHz Recording Bit Rate: 192kbps Battery Type: Lithium Battery Battery Capacity: 1200mAh (Built In). Package List: 1 x Voice Recorder1 x Earphones1 x USB Cable1 x Manual