Features:brand new and high qualityGreat Video Recorder: Designed with 1080P High Definition and 150 Degrees Ultra-Wide Wide-Angle.Convenient Application: Designed with One-Move Operation, 30 Days Long Standby Duration and Auto-Saving under Powered Out Situation to ensure reliability and simple operation.for Time Synchronization: Designed with Intelligent for time marking via built in for time chip so that the saved voice or video files can be functional as legal evidence.Light-Weight and Wearble: Its total weight is only 21 grams, you can wear it as necklace or some kind of accessories for convenience.Effortless Connection: It supports OTG Connection and direct connection with smartphone with An-droid System so that you can check the relevant files directly on your phone. Specifications:Size: 5x3x0.7cm/1.96x1.18x0.27 inches Approx.Recording Mode: Power-on Recording, Power-off SaveRecording Format: Mp3, WMA, WAVRecording Time: 120 (minutes)Memory Card Type: Does Not Support Expansion CardsDisplay Mode: No ScreenTransmission Interface: USB 3.0Battery: Lithium Batteryfor Shell Material: ABSOptional Capacity: 128 GB/16 GB/32 GB/4 GB/64 GB/8 GB Note:1.Please allow slight inaccuracy due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1 Piece Voice Recorder