1. Can Record Continuously For And 7 Nights, One-Click Recording, Can Be On Standby For Half A Year 2. Strong Magnetic , No Installation Required, Just On, No Need To Pick The Place For Recording, Built-In Strong Magnet, Can Be Magnetically Attracted To Metal Objects, Just On, Start Recording Instantly 3. Intelligent Voice-Activated Recording, Adjustable Sensitivity, New Ai Voice Recognition Technology, Voice Recording, Silent Stop Can Adjust Voice-Activated Sensitivity For Different Scenarios, Recording More Realistic High-Definition Human Voice 4. One-Click To Start Recording, Automatically Save When Turned Off, Automatically Save When Low Battery, Prevent Loss, Suitable For The Elderly And Children, You Can Record Without Making Any Sound Or Vibration When You Have It. 5. Breakpoint Memory Playback, Efficient Listening To Recordings/Music, Avoiding Repeated Searches, Built-In High-Performance Memory Chip, No Need To Start Playback After Shutdown Or Power Failure, Automatic Connection, Breakpoint Memory Playback Recording Format: Wav Sampling Rate: 48KHZ Frequency: 20-20KHZ Recording Bit Rate: 512Kbps Continuous Recording: 160 Hours; 10-240 Minutes Segmented Recording Microphone: Omnidirectional Microphone Operating Temperature: -10C-40C Battery Capacity: Lithium Battery 800mAh Size: About 4.6 x 4.6 x 1.1cm Memory:64GB Colour:black Material:Metal+Plastic Package Contents: 1 x Recorder 1 x Headphone 1 x Data Cable 1 x Built-In Memory 1 x Headphone Adapter 1 x English Instruction Manual 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.