Features: User-friendly operation button for easy control Record video and water resistant from rain or sweat Easy connection with PC/Laptops, no need driver Built-in 4GB flash memory for approximately 2 hours video recording The smallest Water-resistant video recorder (Dia 19 x L 68mm) Sleek and elegant design suit for both men and women Real recording time display function, never let memorable moments sneak away from life Audio and video together, 10 meters Water-resistant, suit for all kinds of water sports. Specifications: pixels: 1.3 mega Resolution: 736 x 480 Playing speed: 30fps Video format: AVI Power duration: 1.5 to 2 hours Memory: built-in 4GB, maximum8GB Power adapter: 5V DC/500mAh Power consumption: less than 0.8W Card slot: TF/micro SD card Physical weight: 22g Reading speed: more than 1, 200Kbps, Write: more than 1, 000kbps Power supply: built-in 280mAh lipolymer battery Working temperature: -5 to 40 degrees Storage temperature: -20 to 80 degrees Player: Quicktime, Real Player, Storm Codec, Windows Media Player Operating system: MS Windows 98, Me, XP, 2000, Vista Packing: 1pc/gift box; 80 pieces/carton Carton size: 42.5 x 32 x 44.5cm Net weight: 12kg Gross weight: 13kg