Excellent Recorder - High quality MP3, WAV recording format and high quality capacitor recording sound pick-up, recording effect more clear. And powerful recording storage - 36h (8GB), 72h(16GB), 144h(32GB). Intelligent recording function - Support voice control, automatic recording when there is sound, automatic pause when there is no sound. One click recording, easy to start work. Multiple playback modes - Support loop playback, sound mode selection. It also has the function of repeat reading, and it will be played repeatedly at the two time points of A and B. And it can play MP3, WMA and other lossless music files. High capacity battery - The polymer battery with sustainable cycle charging can be fully charged in about 1 hour and record for about 13 hours. Wide Applications - Widely used in interviews, meetings, conference, lectures, baby monitor and so on. Specification: Item Model: T60 Memory: 8 GB / 16 GB / 32 GB (Optional) Music: MP3, WAV Lossless Play Recording Format: high Quality Recording (HQ) WAV 1536KBPS; Standard Recording (SP) mp3 192kbps Frequency Response: 20Hz to 20KHz Headphone Output: 10MW ' 10MW (320hm) SNR: > 70dB Battery: 7.4V 280 mAh Polymer Battery Charging Time: About 1 Hour Working Time: Record for about 13 hours Storage File Time: 36h (8GB); 72h(16GB); 144h(32GB) Supported systems: Windows 2000/XP/98 Operating temperature: - 5 to 40 ℃ Item Size: 98*33*12mm/3.9x.3x1.3in Item Weight: 65g/2.3oz Package Size: 15.2*7.8*3.7cm/6x3.1x1.5in Package Weight: 132.5g/47.oz Packing List: 1 x Recorder 1 x USB Cable  1 x Headphone 1 x Microphone 1 x 3.5mm Dual-Head Cable 1 x Telephone Wire 1 x Telephone Box