1. [Call recording] Exclusive , new technology, no need for amplifying calls, built-in electromagnetic sound pressure sensor can also record clearly, solving the pain points of the IOS system, and calls cannot be recorded. 2. [Magnetic adsorption] Built in strong magnetic ring, high suction, stable adsorption, There will be no Violent Shaking, clear recording, support for IOS/Android system (only supports phones with magnetic wireless charging function) 3. [Easy to operate] One click recording, after adsorbing the phone, push the button to the middle, voice control recording, push the button to the top, normal recording, push down to shut down and save, low battery automatic saving. 4. After recording, the time will be automatically generated and the file will be named in a time format, such as 20231108010000.wav, making it easy to organize and search for files. 5. [OTG link support] Supports connecting to a mobile phone to view recording files, which can be viewed without the need for a computer. It can be to a mobile phone for file management at any time. (Only Android phones with OTG function are supported and an OTG adapter is required) 6. [Suitable for multiple scenarios] Call recording/regular recording/conference recording/classroom recording/interview recording, etc Standby battery life: approximately 95 hours (different battery life for different capacities) Standby playback time: approximately 50 hours (different battery life for different capacities) Battery capacity: 500mah Charging time: 3 hours Usage: Magnetic suction Colour:Gray-black Material:Plastic Specification:16G Package Contents: 1 x Voice Recorder Pen 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.