Vibration Alarm Smart Bracelet LED Digital Sports Wristband Portable Smart Band for Students

Label:Yes Power supply voltage: DC -4.5V-5.5V Display: LED Display Strap material: Silicone Data transmission: Micro USB Port Battery capacity: 50mAh Size: 240*16mm(9.45*0.63in) Color: Blue/Red/Black/Purple/Green Brand new and high quality

Package included 1 x Smart Bracelet

Note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.