Item Type: Video Audio Recorder Product Model: VR10B Display: 0.66in black and white LCD Product Color: Black Memory: 8GB Recording Format: WAV Alarm Clock: Set the alarm time, period, volume and song for the alarm Built in Speaker: Play sound through the built in speaker Password Protection: Set a password to protect recorded data Voice Activation: Voice activated mode, saves memory, suitable for long-term recording Digital Clock: Support Date and Time: Recordings named with date and time numeric fields for easy sorting and viewing Recording Bit Rate: 512 Kbps 768 Kbps 1024 kbps 1536 Kbps Recording Time Battery Power: 15 hours USB Port: USB 2.0 Frequency Response: 20Hz-20kHz Maximum Audio Output Power: 5mW Working Temperature: 0-40℃ Battery Type: Built in single 3.7V 160mAh polymer lithium battery (with built in battery) Battery Model: 502020 Battery Capacity: 160mAh 1、EASY OPERATION: Easy to understand menu design, with 3 buttons, use the recorder, MP3 player and start recording or playing music functions and set up easily. 2、2 RECORDING MODES: Support continuous and voice activated recording mode, with 8GB memory, continuously record meetings, interviews, classes, lectures for up to 15 hours. 3、VOICE CONTROL: In voice control mode, the recording device starts recording when it detects sound, and stops recording when the surrounding environment is quiet. 4、WITH SPEAKER: The recorder has stereo speaker for MP3 and playback, can select and play any recording or music file you like, and can adjust the speaker volume. 5、MULTIPLE FUNCTION: The watch voice recorder adopts a 0.66in black and white LCD screen, which can set alarm clock, supports digital clock, has good practicality. 1 x Recorder 1 x Data Cable 1 x Chinese English User Manual