Usage Tips:•Stylish Design: The W5SV features a sleek and design with a comfortable silicone band •LED Display: Equipped with a clear LED 7-segment display for easy viewing of time and notifications •Vibrating Alarm: Set alarms and receive wake-up alerts through gentle vibrations, ensuring a peaceful start to your day •Sleep Monitoring: Track your sleep patterns and gain insights into your sleep quality for improved rest •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 •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 Specifications: •Model: W5SV •Material: Silicone •Display: LED 7-segment display •Charging: Micro USB port •Voltage: DC 4.5-5.5V •Battery capacity: 40mAh •Sleep current: 25uA •Standby time: 45days •Atmospheric pressure: m860hPa~1060hPa •Battery life: > 300 times charge-discharge cycles •Weight: 18g Package included: •1 x Smart Bracelet •1 x Charging Cable •Other items not included