1、Comes with magnetic, can be placed anywhere. Perfectly fit for Gym, living room, bedroom, office, health clubs, schools, weight rooms etc. 2、Support 12 modes, CLOCK HH, MIIT, HIIT, TABATA, EMOM1, EMOM2, FGB1, FGB2, WRC, UP MM, DOWN MM, Stopwatch MM. 3、Large and clear LED digits and high contrast display allows you to see the bright numbers from all corners of your gym. 4、Made of high‑quality ABS material, durable, and can be used for a long time. Lightweight, no need to plug in, charging use. 5、Controlled by the top buttons and Bluetooth APP, the packaging is small and space-saving. 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 to Use 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. 1 x Timer 1 x Bag 1 x USB Cable 1 x Instruction Manual