Feature: 1. Compact Design: The block shape design with a compact size enables easy recording in the pocket without taking out. 2. Large Capacity: When fully charged, the large recording capacity of 15 hours will meet your all day recording needs. 3. Sounds Quality: Built in AGC noise reduction technology and automatic gain module will adjust the focal length of the sound source, and DSP technology will remove noise and amplifies the target sound. 4. Practical Uses: Allows for wide application for meeting, office, lecture, interview and so on, practical and reliable. 5. Easy Carrying: Comes with a small size and a light weight as well, both the storage and carrying are very convenient. Specification: Item Type: Audio Recorder Item Model: SQ80 Product Colour: Gray Silver Recording Time: 15 Hours Recording Format: WAV Battery Type: 1 x built in 3.7V 160mAh polymer lithium battery, shipped with built in battery. Battery Model: 502020 Battery Capacity: 160mAh Recording Bit Rate: 128K bps USB Port: USB 2.0 Frequency Response: 20Hz-20KHz Maximum Audio Output Power: 5mW Operating Temperature: 0 - 40 ℃. Package List: 1 x Audio Recorder1 x Data Cable1 x Headphone1 x Lanyard1 x English User Manual Note: The system will automatically save the recording file and shut down when the battery is low, and the battery needs to be charged before the use.