1、Built In Rechargeable Lithium Battery: This recording device has a built in rechargeable lithium battery that can record up to 20 hours of continuous recording on a full charge. 2、Magnetic Suction: This sound recording device has a digital recorder with magnetic attachment function, which can be attached to any magnetic objects, such as sofa chairs, cars, drawers and so on. 3、Compact And Portable: This voice activated recording device is small in size and light in weight, which makes it very convenient to carry around and use. 4、Easy To Use: This voice activated recorder features simple one button operation and has a voice control function that automatically starts recording when noise is detected, avoiding unnecessary space occupation. 5、Smart Digital Noise Reduction Technology: This voice recorder uses smart digital noise reduction technology, users can hear the recording content more clearly. The recording bit rate is up to 192KBPS, which makes the sound more real and better shielded from environmental noise. Item Type: Voice Recorder Model: A1 Material: Aluminium Alloy, Electronics Battery Type: Built In 300mAh Lithium Ion Battery ( Included ) 1 x Voice Recorder 1 x Wired Earphone 1 x Charging Cable 1 x Manual