2301A Smart Health Ring Sleep Heart Rate Fitness Tracker Men's Suspenders Section 4 Black Hexagram

Section 4 Black Hexagram

which is a high-quality and hypoallergenic material

Dial width: 58mm

national fashion

Strap: Leather strap

2301A Smart Health Ring Sleep Heart Rate Fitness Tracker Men's Suspenders Section 4 Black HexagramProduct information: Product Name: Youhong J Stylelife smart fingertip medical Ring ((Model: J2301A) App Support: Android 5. 0 and above, IOS 10. 0 and above PPG sensor: hardware specifications Somatosensory temperature sensor 3D accelerator: ultra low consumption Bluetooth chip Material: Standard version is 316 stainless steel, high end version can choose pure titanium Size: width 8. 0mm, thinness 2. 85 2. 9mm OTA support: supports Bluetooth OTA