Item Type: Voice RecorderMaterial: ABSModel: V3Recording Format: WAVFrequency Response: 20Hz-20KHZSignal to Noise Ratio: 90dBRecording Bit Rate: 32K bps-384K bpsBattery Type: Lithium BatteryBattery Capacity: 400mAh ( Built-in)Package List1 x Recording Pen1 x Date Cable1 x Manual 1. In a welllit environment, please aim the lens at the subject and keep a distance of more than 50 cm from the subject to avoid jitter.2. This product supports highdefinition video and large video files.3. When the storage space is full, the file will be overwritten periodically, please save it in time.11080P HD video recording with a large wideangle lens, a wide field of view, increasing the visual range to record wonderful moments. 2The operation is simple, you can start recording and recording with a single key, and simultaneously record the audio and video. 3High-energy polymer lithium battery + a new generation of intelligent energy-saving system, which can achieve long-term recording. 4Hangable back clip design, can clip school bags, folders and other places, convenient for realtime video recording during meetings, travel, etc. 5Convenient operation, easy to push to record, then push to save, and provide a poweroff protection system to make the recording safer.