HK3 Pro Men Women Sports Smart Watch Bluetooth-compatible Call Music Heart Rate Monitor Smartwatch silver belt

Description

--Charging method: Magnetic charging cable.--Battery life: about 3-5 days of use, 30 days of standby.--Compatible system: Compatible for Android4.4 (inclusive) or above, Compatible for IOS9.0 (inclusive) or above.--Wristband size: total length 220MM, adjustable length 145-190MM.--Bracelet size: 46x46x12mm.