GT66 smart watch 2 in 1

GT66 smart watch TWS earphones two-in-one watch, dual calls payment, Dafit stable App! 1. high-definition round screen, stainless steel metal body, scratch-resistant glass mirror, 400 mAh large battery, magnetic fast charging! 2. Realtek 8763E main control chip, single-core dual-mode chip, super power-saving, 50 days of super long standby, and 10 days of super long battery life! 3. Bluetooth dual call: One-click connection, both the watch and the earphones can make and receive calls, and the earphones can be stored back in the watch and can also play sound; 4. Alipay offline payment, multi-function NFC, and electronic card holder make payment convenient and worry-free; 5. Innovative algorithm chip, dynamic heart rate, true blood oxygen, blood pressure, and health monitoring protect your health around the clock; 6. The headset has a unique anti-sweat design, dual-headphones regardless of master and slave, extremely fast second-to-second connection, dynamic charging d