Built-in high-energy polymer lithium battery and a new generation of power intelligent energy-saving system can achieve long-term recording Built-in professional-grade powerful noise reduction chip, bring you higher fidelity and clearer recording sound quality and playback One-click recording, switch between two modes(voice-activated/normal recording) arbitrarily Under voice recording mode, start recording with sound, stop recording without sound, save memory space and power effectively Connect to a computer to synchronize Beijing time, which is convenient to record the start time and end time of the file, and it is convenient to browse and find the file When the system detects that the battery is insufficient, the recorder will save the file automatically in advance, and then power it off to ensure that the recording data is not lost Connect the OTG adapter(not included), you can play and manage recording files on your mobile phone Intimate lanyard design, easy to carry and prevent loss Large-capacity U disk storage function, built-in 32G large memory, don't worry about recording storage space Specifications: Model: Q39 Recording method: One-key recording Charging time: About 1 hour Playing time: About 20 hours Recording time: About 40 hours USB: Type-C Battery: Built-in polymer lithium battery Built-in memory: 32GB Product size: 4.19x3.9x1.0cm Product weight: About 29.1g