Pro-Level Sleep Analysis: Average Sleep HRV and Sleep Insights, the smart band can help track your heart rate, SpO2, respiratory rate, and any abnormal breathing, provide high-level insights on your sleep duration and quality rating, deep sleep ratio and more Comfortable All-day Wearing: Ultra-thin at 8.99 mm, weighing just 15g, paired with a skin-friendly fluoroelastomer strap, the slim HUAWEI Band 10 offers you a lightweight feel all day AI-powered Fitness Monitoring: Powered by an advanced 9-axis sensor and AI-enhanced stroke identification technology, HUAWEI Band 10 provides a wealth of data for 100 sports modes, including ultra-accurate swimming data Robust Battery Life: Charge for 5 mins and use for 2 days, or for 45 minutes for a full charge. Enjoy up to 8 days of battery life with typical use, and up to 14 days with light usage Colours Galore, Straps You'll Adore: The stylish HUAWEI Band 10 offers a wide range of colours, pink and black (durable polymer case), or green, blue, purple, white (aluminium alloy case)