1. Stylish Design: The W5SV has a sleek and modern design with a comfortable silicone band 2. LED Display: It is equipped with a clear LED 7-segment display for easy viewing of time and notifications 3. Vibrating Alarm: Set alarms and receive wake-up alerts through gentle vibrations, ensuring a peaceful start to your day 4. Sleep Monitoring: Track your sleep patterns and gain insights into your sleep quality for improved rest 5. Long Battery Life: With a 40mAh battery, it can provide up to 45 days of standby time on a single charge, making it convenient for everyday use 6. Durable and Lightweight: Weighing only 18g and designed for longevity with over 300 charge-discharge cycles, it is a suitable companion for an active lifestyle 7. Specifications: 8. Model: W5SV 9. Material: Silicone 10. Display: LED 7-segment display 11. Charging: Micro USB port 12. Voltage: DC 4.5-5.5V 13. Battery capacity: 40mAh 14. Sleep current: 25uA 15. Standby time: 45days 16. Atmospheric pressure: m860hPa~1060hPa 17. Battery life: > 300 times charge-discharge cycles 18. Weight: 18g