1、One-click recording, just slide the switch to start recording. 2、The indicator will only flash for 5 seconds, when you slide the switch backward, the recording will be saved automatically. 3、Just plug in your computer to record audio, and it is convenient to operate and use. 4、Compact size, easy to carry, and you can use it anytime and anywhere. 5、Recording time can up to 20 hours after full charging, and recording maximum distance is 25m/82ft, which can help record longer and further voice information. 1 x USB Recorder 1 x Instruction Manual Condition: 100% Brand NewItem Type: Voice RecorderMaterial: ABSColor: As the Picture ShowsMemory Capacity: 2GBUSB Interface: USB 2.0File Format: WAVPower: Built-in 200mAh Lithium BatteryCharging Time: 5 HoursRecording Time: 20 Hours (Full Charge)Recording Distance: Approx. 25m/82ftCompatible System: for Windows 98 and Higher Version, for iOS 9.0 and Higher Version