I accidentally bought two, so I'm selling one. It's unopened. Please check the images! I really like how easy it is to use. 【Easy to Use for Everyone】 TickTime is the perfect digital timer for those who want to make their busy lives more efficient. No complicated button operations are required; it has an intuitive design where the countdown starts automatically just by flipping the timer. It can be used instantly in any situation, such as studying, cooking, or exercising, and easily supports time management. 【Instant Countdown with 6 Preset Times】 Six time settings commonly used in daily life are arranged on the side of the main unit, and simply flipping the timer starts the automatic countdown for the selected time. With a simple and smart design, it eliminates troublesome operations and allows for efficient time management. 【Eco-Friendly & Rechargeable】 It uses a USB rechargeable lithium battery that is environmentally friendly. It can be used for about 10 hours on a single charge, eliminating the need to replace batteries. It can be easily charged anywhere, so you can use it with peace of mind even when you're on the go or in the office. Charge for 12 hours when first used, and 4 hours for subsequent charges. After charging is complete, unplug the cable and press the button to start the timer. Follow these essential tips to get the most out of your Ticktime Pomodoro timer.