Features 1、SUITABLE PLACES: Gym timer is perfect for your home or commercial gym, with bright red and blue numbers easily visible from all corners of the workout space. 2、 Features: LED timer support 12 and 24 hour clock display, positive or negative timer, stopwatch, MIIT, HIIT, TABATA, EMOM, FGB, custom intervals, easy to set work, rest and cycle times. 3、LARGE CAPACITY BATTERY: LED timer has an upgraded rechargeable lithium battery with 3 hours of charge and 10 hours of use. Six buttons to easily control all functions. 4、WITH MAGNETIC STRIP: LED interval timer clock adds a magnetic attachment, the magnetic strip can be attached to iron furniture. 5、BLUETOOTH APP CONTROL: LED display timer has a Bluetooth APP to control the clock and comes with a buzzer alert to keep track of time. 6、PORTABLE: Q20 timer measures 15.6x5.3x2.4cm /6.1x2.0x0.9in and has a viewing distance of 7.5m/24.6ft. Each timer comes with a USB C cable and user manual. Specifications Item Type: LED Timer Material: ABS Battery Type: Built in Lithium Battery Battery Model: 18650 Battery Capacity: 1800mah Charging Time: 3H Power Consumption: 1.48WH Current: Charging: 1200MA, Working: 200MA Charging Voltage: 5V Product Size: Approx. 15.6x5.3x2.4cm/6.1x2.0x0.9in Gross Weight: Approx. 300g/10.6oz Package List 1 x LED Timer 1 x Storage Bag 1 x Charging Cable 1 x English Manual