<ul> <li>Stylish Design: The W5SV features a sleek and modern design with a comfortable silicone band</li> <li>LED Display: Equipped with a clear LED 7-segment display for easy viewing of time and notifications</li> <li>Vibrating Alarm: Set alarms and receive wake-up alerts through gentle vibrations, ensuring a peaceful start to your day</li> <li>Sleep Monitoring: Track your sleep patterns and gain insights into your sleep quality for improved rest</li> <li>Long Battery Life: With a 40mAh battery, enjoy up to 45 days of standby time on a single charge, making it convenient for everyday use</li> <li>Durable and Lightweight: Weighing only 18g and designed for longevity with over 300 charge-discharge cycles, it's the perfect companion for an active lifestyle</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Model: W5SV</li> <li>Material: Silicone</li> <li>Display: LED 7-segment display</li> <li>Charging: Micro USB port</li> <li>Voltage: DC 4.5-5.5V&nbsp;</li> <li>Battery capacity: 40mAh</li> <li>Sleep current: 25uA</li> <li>Standby time: 45days</li> <li>Atmospheric pressure: m860hPa~1060hPa</li> <li>Battery life: &gt; 300 times charge-discharge cycles&nbsp;</li> <li>Weight: 18g</li> </ul>