<ul> <li>5ATM waterproof level, it can be worn in swimming pools and snorkeling, and it can also intelligently recognize 4 swimming styles</li> <li>Automatically identify 6 sports modes: walking, treadmill, outdoor running, outdoor cycling, rowing machine, and elliptical machine, so you don't miss every exercise moment</li> <li>Supports 19 trendy sports such as high-intensity interval training, basketball, boxing, Zumba, etc.</li> <li>Exercise duration, calories burned, and different heart rate zones are clearly visible at a glance, making your exercise more efficient</li> <li>Comfortable TPU wrist strap, size can be easily adjusted</li> </ul> <p><strong>Specification:</strong></p> <ul> <li>Product model (standard version): XMSH15HM</li> <li>Body size: 47.4 x 18.6 x 12.7mm</li> <li>Screen size and type: 1.56-inch AMOLED screen</li> <li>Screen resolution: 152 x 486</li> <li>Screen brightness: maximum brightness ≥450nit, brightness can be adjusted</li> <li>Sensors: Optical heart rate and blood oxygen sensor, six-axis motion sensor</li> <li>Waterproof grade: 5ATM</li> <li>Wireless connection: Bluetooth 5.0 BLE version</li> <li>Vibration Motor: Rotor Motor</li> <li>RAM: 2MB</li> <li>Flash memory: 32MB</li> <li>Adjustable length: 155-219mm</li> <li>Battery capacity: 125mAh</li> <li>Charging time: about 2h</li> <li>Battery type: Lithium-ion polymer battery</li> <li>Wrist strap material: TPU</li> <li>Buckle material: aluminum alloy</li> <li>Case cover material: Imitation 3D tempered glass + AF coating</li> <li>Housing material: plastic</li> <li>Working temperature: 0 45℃</li> <li>System Language: Support Simplified Chinese, Traditional Chinese, English</li> <li>Support system: Android 6.0 or iOS 10.0 and above</li> </ul>