There are tons of features with this workout clock. You can not only use the simple features like countdown, count up, stopwatch, Tabata, FGB, but also you can program your favorite interval timing for your own. Mini size and convenient USB charging allows you to easily and clearly see the time. Features: With ultra bright LED display and buzzer remind, allows you to get the time easily and clearly. Support 12/24-hour clock, stopwatch, countdown, count up and custom interval mode. Pre-programmed 8 fat burning training modes like MIIT, HIIT, TABATA FGB, and WRC, great for your workout time management. Built-in 1500mAh rechargeable battery. Magnetic backing, you can attach it to the fridge or any metal surface to leave you hands-free. Measures 5.1 x 1.5 x 0.939;39;, smaller than your cellphone, taking it anywhere you want. Applicable places: bedroom, living room, office, classroom, gym and other indoor places. Note: Power Adapter is Not included. Function: 1. Clock 2. Stopwatch 3. Countup 4.Countdown 5. MIIT 6. HIITT 7. TABATA 8. FGB 1 9. FGB 2 10. EMOM1 11. EMOM2 12. WRC 13.Time beeps for countdown/up interval timing. Specifications: Material: ABS Color: Black / Orange Charging: USB charging Charging Port: Type C Charging Time: 2.5 hours Battery: 1500mAh Product size: 13*3.9*2.6cm / 5.1*1.5*0.9in Product Weight: 97g / 3.4oz Digit Length: 25.4mm / 1in Packing Size: 15.3*5.6*4.7cm / 6.0*2.2*1.9in Packing Weight: 145g / 5.1oz Package List: 1 * Timer 1 * USB Cable 1 * Manual