Appearance size 43.5*40 * 9.8mm Surface treatment process Watch stainless steel wire drawing process Packing size 8*8 * 6cm Machine weight net weight 70g; Gross weight 115g CPU533MHzMTK6261D 32M 32m memory support 32GB TF card Display screen 1.56 ''inch TFT ultra HD colorful LCD Suitable for indoor and outdoor: the battery life is up to 50 hours in training mode. Color touch screen, Side operation button, innovative pulse measurement on wrist, smart calorie counter and GPS through smart phone. Very Suitable for gym, group and team sports, swimming, running, cycling, jogging. Daily personalized training device: it can be called anytime and anywhere and assembled separately after the user recovers and the day shape. Training The unit provides visual instructions in real time. Buffer: analyze the * phase and provide detailed * graphics. Training load and recovery tracking tools help you optimize training and avoid overtraining. Run and ride performance Test your performance and personalize your heart rate, speed, and power zones. Collection Report: Night charging will provide daily feedback, night pressure and training.