Keep B4 Lite Smart Fitness Tracker (CN version)

The Keep B4 Lite Smart Fitness Tracker offers comprehensive health monitoring with heart rate and blood oxygen tracking. Enjoy extended usage with its 10-day long battery life and convenient magnetic charging. Designed for indoor running and everyday fitness, it's an ideal companion for a healthy lifestyle. (CN version)

NFC function: No NFC function Standard battery life: 10 days Power supply mode: Magnetic charging Sports Recognition Function: Indoor running Host model: Keep B4 model: 0000000000 Product Size: 10.5mm high Extreme battery life: 10 days