Features: ✅ One button to record, easy to operate and saving to ensure you don’t miss any important information. Support lots of functions such as voice control recording. ✅ Design with 2 types of interface - USB and Micro USB, which can be connected to computer directly and connect to mobile phone with OTG function. ✅ Mini and compact size - 60 x 21 x 9.5mm/2.3 x 0.8 x 0.3in, super convenient to carry. ✅ Built-in 170mAh rechargeable Lithium battery, convenient to recharge and record up to 9h after fully charged. And 8G memory card can save up to 48hrs voice file. ✅ Free to use this device as music player by insert the earphone, it also can select the loop playing mode. It's a prefect gift for students, professor, teacher, businessman, writer and blogger, anyone who loves to record Specification: Model: 002 Memory: 8G Product Size: 60 x 21 x 9.5mm/2.3 x 0.8 x 0.3in Record Format: WAV Music Format: MP3,WAV,WMA Frequency: 48KHZ Bit rate: 32kbps-192kbps Recording Time: About 48hrs (8GB) Battery: 170mAh Lithium Battery Working Time: 9hrs (recording), 5hrs (playback) Charging Time: About 1 hour Package Size: 85g/2.9oz Package Weight: 10 x 7.2 x 4.5cm/4 x 2.8 x 1.7in Packing List: 1 x Recording Deivce 1 x Earphone 1 x USB Cable