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B21 Smart Recording Pen: 1080P Full HD, 120° Wide Angle, Infrared Night Vision, 180° Rotating Lens, 1050mAh Extended Battery Life, Ultra-Slim Clip Design
Product Description
The B21 Smart Recording Pen is a multifunctional recording device combining high-definition video capture, audio recording, night vision and portability. Whether capturing driving footage, meeting minutes, study notes, or everyday moments, it reliably records crucial scenes with clarity and stability over extended periods. Featuring a 1080P full HD lens, rotating infrared night vision, high-capacity battery, and Type-C high-speed interface, it balances performance and convenience—making it an indispensable tool for professionals, students, motorists, and photography enthusiasts.
Key Selling Points
✅ 1080P Full HD Video Recording
Features a 12-megapixel high-transmittance wide-angle lens delivering true 1080P HD quality. Captures every frame with sharp, blur-free detail.
✅ 120° Ultra-Wide Angle Lens
Expanded field of view effortlessly covers broader areas. No need for frequent device repositioning – key scenes remain fully captured.
✅ 180° Infrared Rotating Lens
Infrared lights synchronously rotate with the lens, eliminating night vision blind spots for clear recording in darkness, enabling true all-weather operation.
✅ 1050mAh High-Capacity Battery + Extended Run Time
A single charge supports up to 500 minutes of video recording or 1080 minutes of audio capture, eliminating battery anxiety and ensuring continuous operation when it matters most.
✅ Type-C High-Speed Interface
Faster charging and more efficient file transfers. Significantly improved experience compared to traditional Micro-USB, eliminating lag and lengthy waits.
✅ Ultra-Slim Portable Design
Just 9mm thick, lightweight and easy to carry. Features an upgraded back clip for secure, wobble-free attachment, making it effortless to carry anywhere.
✅ Four-in-one multifunctional mode
Instantly switch between photo, video, audio recording, and infrared modes to suit diverse scenarios with intuitive operation.
✅ Strong magnetic clip design
Secures more firmly and aesthetically, suitable for various settings including vehicles, collars, and desktops. Flexible installation with minimal risk of detachment.
Suitable Scenarios
- Driving recorders and in-car surveillance
- Business meetings and interview recording
- Classroom learning and lecture audio/video capture
- Home security and night-time monitoring
- Travel snapshots and outdoor documentation
Model: B21
Maximum supported external storage card: TF 128G (sold separately)
Speed class requirement: Class 10 or above
Battery type: Built-in battery
Operating Duration: Approx. 500 minutes at 1080P 30fps
Camera Resolution: 12MP
Decoding Format: MJPG
Video Format: AVI
Video Resolution: 1080P (1920×1080), 720P (1280×720)
Video Frame Rate: 30 frames per second
Audio System: Built-in microphone/speaker (AAC encoding)
USB Function: USB storage drive
Interface Type: Type-C
Night Vision Function: Supported
Package Contents
B21 Smart Recording Pen ×1
Upgraded Back Clip ×1
Type-C Charging Cable ×1
User Manual ×1
Why Choose B21?
Truly Practical Design: Infrared lights rotate with the lens, making night vision genuinely effective.
No More Blur or Lag: 1080P HD + high-speed interface for smooth recording.
Extended Battery Life: Large battery design ensures reliability when it matters most.
Slim Yet Sturdy: Compact size with secure clip attachment for easy portability.
