LED Display Interval Timer Clock Stopwatch Digital Timer Count Up/Down for Gym Fitness Item Type: Timer Material: ABS Color: As shown in the picture Product Size: Approx.156x52x24mm/6.14x2.05x0.94in Model: Gan xinQ20 LED Light Color: White + Green Power Supply: Lithium battery 1800mAhx1 (built-in battery) Charging Time: 3H Power Consumption: 1.48WH Current: Charging -450mA/Working -400mA Bluetooth: Support Application: Gym, living room, bedroom, office 12 modes: CLOCK HH: MM format -12/24 hours MIIT: 1 minute of training, 1 minute of rest, 99 cycles HIIT: 30 seconds of training, 30 seconds of rest, 99 cycles TABATA: 20 seconds of training, 10 seconds of rest, 8 cycles EMOM1: 1 minute training, no rest, 17 cycles EMOM2: 1 30-second training session, 1 minute rest, 30 cycles FGB1: 5 minutes of training, 1 minute of rest, 5 cycles FGB2: 5 minutes of training, 1 minute of rest, 3 cycles WRC: 10 sets of custom training modes UP MM: SS format-00:00-99:59 DOWN MM: SS format 99:59-00:00 Stopwatch MM: SS.ss (1/10s) (1/100s) format, 00:00:00-99:59.99 How e Get the product, push the power button up, turn it on, and enter the clock mode on the home page. The user can choose the mode by himself. The set button: press to edit. stop/+ button: Press to stop counting or numerical value +. mode button: switch mode. reset button: reset to zero button. Enter button: save the value. Start button: start counting or numerical value. Scan the QR code of the manual to download the corresponding APP and connect to Bluetooth, which is very convenient, simple and easy to operate.