Features: - Powerful Vibration Wake-Up: Designed specifically as a vibrating alarm clock for heavy sleepers - Silent & Discreet Operation: No app required, no phone connection required.Step counter/vibration alarm/calorie tracking.IP65 waterproof USB charging - Smart Wearable Technology: More than just clocks and watches, this is a smart bracelet for men and women Specifications: Name: Vibrating Alarm Clock Watch Weight: 18g Packing List: 1pc* Vibrating Alarm Clock Watch Note: Due to manual measurement, the dimensions may be biased. Due to lighting and other problems, the actual product may be different, the details are based on the actual product, thank you for your understanding. After-sales service: If you are not satisfied with the product, please contact us by email immediately, we will provide you with a satisfactory solution within 24 hours! Thank you again for your understanding and wish you a happy shopping in our store. Finally, whether you decide to buy or not, I wish you a good day!