Xiaomi Mi Band 4 Smart Bracelet Wholesale

2019 Newest Mi Band 4 with upgraded features has arrived, its color screen, displayed brightness, improverd battery capacity, BT 5.0 connectivity and other features created by a new level over its predecessor. Main Features ● The fitness band uses Bluetooth 5.0, offers an improved range, connectivity speed, and efficiency ● 0.95 inch AMOLED color display that pushes 120 x 240 pixels resolution on an AMOLED screen ● 5ATM water resistant rating ( up to 50 meters ) ● The fitness band uses Bluetooth 5.0 BLE which offers an improved range, connectivity speed, and efficiency ● Come with a 135mAh battery and it is rated to last more than 20 days on a single charge ● Support for Alipay offline payment ● Focus on your health, built-in heart rate record, sleep monitor, sedentary reminder, etc. ● 135mAh battery capacity offers up to 20 days of standby time