• One-key recording, wire-controlled operation, with delete function, play with LED indicator
• Built-in professional-grade powerful noise reduction chip, bringing you higher fidelity and clearer recording sound quality and playback
• Built-in high-energy polymer lithium battery, 20 hours of continuous recording, 15 hours playing time
• With OTG quick connect function, connect the OTG adapter, you can play and manage recording files on your mobile phone(Only support Android phone, OTG adapter is not included)
• Lightweight and compact, easy to carry, good concealment
• Smart time stamp, synchronize with Beijing time
• Save automatically when power off

Specification:

• Model: Q37
• Recording method: One-key recording
• Charging time: about 1 hour
• Playing time: about 15 hours
• Recording time: about 20 hours
• Interface: Micro USB
• Battery: Built-in polymer lithium battery
• Memory: 8GB