Q53 Ultra Long Standby Timer Voice Recorder HD Noise Canceling Recording Device 1. Adopting high sensitivity condenser silicon microphone, 360-degree stereo omni-directional surround sound pickup, clearer sound 2. Simple operation, no need to turn on the state, you can also start recording with one key 3. Acoustic DSP dynamic noise reduction processing module, effectively reduce environmental noise 4. PCM recording is an uncompressed original coding format, bit rate up to lossless 1536kbps, PCM signal has not undergone any coding and compression (lossless compression) 5. Segmentation function, you can record the file according to the set recording time for automatic segmentation, such as: 30, 60 minutes incremental way to store as a file 6. Timing automatic recording function, just set the recording start time and end time, then you can realize automatic recording, you can also set the periodic recording (such as: single, daily, weekday) 7. Password setting, after setting the password, you need to enter the password to access the computer, which can protect your privacy and recording files 8. Comes with HIFI sound quality speakers, smooth and clear lossless acoustic rich in detail, equalizer a variety of playback modes (funk Hip Hop rock jazz classical electronic music) 9. Through the OTG can be directly connected to the Android phone, easy to manage files and download music, you can also transfer files to the phonecomputer for storage 10. Suitable for a variety of scenarios, such as: business meetings, classroom learning, training and learning, interviews Parameters: 1. Material: ABS + zinc alloy 2. Screen: 0.96 inch color screen 3. Transmission: USB2.0 4. Recording format: WAV 5. Battery capacity: 230mAh 6. Memory: expandable to 256G 7. Speaker: yes 8. Recording time: about 16 hours; playback time: about 3.5 hours; charging time: about 2 hours 9. Size: 11 x 26 x 98mm 10. Weight: 56.2g Packing list: - Host x 1 - Data cable x 1 - Instruction manua