Q37 32GB Mini Voice Activated DSP Noise Reduction Time Stamp Smart Audio Recorder Support OTG Function •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: 32GB Package included: •1 x Audio Recorder •1 x Earphone •2 x Charging Cable •1 x English and Chinese User Manual