Compact 4K sports camera the size of a thumb, featuring versatile mounting options—ideal for capturing moments during sports, cycling, travel, or everyday activities. Features: One-button operation: Simple design with a central button and indicator light for easy recording—perfect for both beginners and professionals. Ultra-compact size: Smaller than a thumb, this miniature wearable camera seamlessly integrates into your outfit, keeping your hands completely free. Magnetic chest strap and 360-degree rotating clip: Quickly attach to your chest using the magnetic mount, or use the spring-loaded rotating clip to secure it to collars, pockets, straps, helmets, and more. Dual glass 4K HD lens: High-resolution 4K lens with excellent light transmission for sharp, vivid footage—free from glare and light leakage. Instant playback support: View recorded videos and photos directly on the device for intuitive operation. Specifications: Material: ABS Color: Black, White Dimensions (L × W × H): 2.8 × 2 × 6.45 cm Input voltage: 5 V / 1 A Battery capacity: 3.7 V / 800 mAh Power supply: USB-C charging cable (adapter not included) Package includes: 1 × Thumb-mount sports camera 1 × Rotating spring clip 1 × Magnetic chest mount 1 × 32 GB memory card 1 × Card reader 1 × Data transfer cable 1 × User manual Note: Slight dimensional variations may occur due to manual measurement. Fully charge the battery before first use to optimize performance. Keep the camera and battery away from high temperatures and moisture.