Features ★ Multifunctional Interval Timer: Portable Gym timer clock is including 10 functions, such as clock display, 3 groups of custom for interval timer, count up by round, countdown by round, stopwatch, alarm clock, 10 seconds countdown, beep buzzer control. ★ Extra Function - In addition to its Fitness Training Timer function, this Workout clock also features a built-in alarm clock, Moreover, it has three levels of volume adjustment and can be set to mute for easy use in quiet libraries. The maximum volume can reach 120 decibels, strong magnet in the back can be attached on gym equipment, take this essential gym timer to make your fitness plans more efficient ★ USB Rechargeable Portable Gym Clock - The size of this portable home gym timer clock is Portable, built-in rechargeable 1000mAh large battery runs up to 30h, Give you plenty of time to use and comfortable use process. And The workout timer adopts the low battery reminder function, so you won't notice the battery is low during your workout. ★ Multiple Use Scenarios - Multifunctional interval training timer is an ideal companion for different sports, It provides a variety of functions tailored to different sports, such as running, swimming, and weightlifting. In addition, it Can also serve as for kitchen timer, classroom timer, office timer, homework timer, cooking timer, training timer,work timer, egg timer, game timer, and more. Or you can make it as a workout/fitness gift for your loved ones ★ Customer Service - We are committed to meeting customer demands to create the finest products. Any suggestions and request please feel free to contact us in anytime that we can try our utmost to reply in short time. Specification: Item Type: Timer Material: ABS Battery: Polymers Battery x 1, Battery Capacity 1000mAh(shipped with built in battery) Package List: 1 x Timer 1 x USB Cable Package List 1 x Timer 1 x USB Cable