Features: Excellent Recording Quality - Built-in condenser microphone, support WAV and MP3 recording and maximum 1536kbps sound quality. Intelligent noise reduction function let you better record the sound at the time and keep the most primitive sound. With 3 memory storage capacity to choose - 8GB,16GB, 32GB storage capacity. Intelligent Recording Function - One click recording, easy to start work. Support voice control, automatic recording when there is sound, automatic pause when there is no sound. With password function to protect your record files. Multiple Playback Modes - Support list loop, random play, Sequential play, single loop. 3.5mm jack headphones to listen to lossless HD sound quality It can set 5 sound effect. Also has the function of repeat reading, and it will be played repeatedly at the two time points of A and B. High Capacity Battery - Built-in 400mAh battery, able to continuously record 20hrs after full charged. Available to set the timed shutdown to save the power. Wide Applications - Ideal for your business meetings, negotiations, interviews, presentations, conferences, semester classes, presentations, group discussions, etc., accurately record all the details. Specification: Model: T69 Color: Black Memory: 8GB, 16GB, 32GB (Optional) Size: 88x30x12mm Weight: 33g Battery: Lithium Battery 3.7V 400mA USB Port: MICRO USB Format: MP3、WAV Screen: LCD Ratio: 48 KHZ Recording Channel: Mono power dissipation: 512 Kbps about 18mA Recording Time after Full Charged: 512 Kbps about 20 hours Records Storage: 8GB-(138hrs in 128Kbps, 35hrs in 512kbps, 12hrs in 1536kbps), 16GB-(276hrs in 128Kbps, 69hrs in 512kbps, 23hrs in 1536kbps), 32GB-(552hrs in 128Kbps, 138hrs in 512kbps, 46hrs in 1536kbps) Operating Temp: 0°C to +40°C Supporting operating system: Windows, Mac OS Package Size: 15.2x7.8x3.7cm/5.9x3x1.4in Package Weight: 102g/4.7oz Notes: Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. Packing List: 1 x Voice Recorder 1 x Earphone 1 x Data Cable 1 x User Manual