Sell M4 Smart Watch Fitness Bracelet Bluetooth Waterproof Heart Rate Monitor Women Smart Watch Fitness Tracker SmartWatch Jam best price

Description: 0.96in color screen display, clear to see even under sunlight, monitor your sports informations at all times, IP67 waterproof, you can wash hands when you wear it or wear in the rain, but it's better not wear it to swim. Function: Dynamic heart rate, blood pressure testing, blood oxygen monitoring, step motion meter (3 d sensor), calories, distance, bluetooth links, phone calls reminding, information remind, raised my hand against the bright screen, smart alarm clock, looking for the hand ring, remote picture, sedentary remind, sleep monitoring, information push (SMS, micro letter, QQ, Facebook, Twitter, WhatsAPP, etc.) information reading, etc. Specifications: Color: blue, black, red (optional) BT: 4.0 Screen size: 0.96in Battery: 3.7V, 90mAh Theoretical standy time: 10 days Theoretical working time: about a week Waterproof: IP67 Package size: 140 * 80 * 50mm / 5.5 * 3.1 * 2.0in Package weight: 50g / 1.8ounce Package Included: 1X Smart bracelet 1X Charging cable 1X Manual