Specification:  Color: Black, Grey, Yellow, Green, Blue, Red, Cyan, Purple.  Compatible OS: Android4.4 and above iOS8.2 and above.  Operating Mode: Single Touch.  APP Language: English, Portuguese, Spanish, French, German, Italian,...

Description: Compatible: All mobile phones with Bluetooth function. Shell Material: Plasic. Screen Type: OLCD,touch screen. Display Size: 0.49 Inch. Card Extend: No. NFC: Support. Data transfer: USB/Bluetooth. Charge: USB Charge....

Specification: Color: Black,Red,Pink,Blue,Yellow Bluetooth Version: BT 4.0 or above Compatible OS: Android 4.4 or above, iOS 8.2 or above Operating Mode: Single Touch APP Name: WearHealth. App Language: English,Portuguese,Spanish,French,German,Italian,Polish,Czech,Russian,Japanese,Korean, Malay,Simplified Chinese,Traditional...

Specification: Bluetooth Version: BT 5.0. Chipset: GR5515 Compatible System: Android system 4.4 version or above; iOS system 9.0 version or above. Operating Mode: Full Touch APP Name: H Band APP...

Feature: Driver chip: SSD1309. Support interface: IIC/SPI. Resolution: 128 x 64. Display size: 2.42 inches. Display color: white/blue/yellow/green (optional). Module size: 71 x 43.5 (mm). Glass size: 60.5 x 37.00...

Interface: IIC/I2C.  GND: Power Gound.  VCC: 2.2V-5.5V.  SCL: CLK clock (High level 2.2V-5.5V).  SDA: MOSI data (High level 2.2V-5.5V).     Feature:  Color: Blue and Yellow LED.  Resolution: 128x64.  Power: 0.06W. ...

Interface: IIC/I2C.  GND: Power Gound.  VCC: 2.2V-5.5V.  SCL: CLK clock (High level 2.2V-5.5V).  SDA: MOSI data (High level 2.2V-5.5V).     Feature:  Color: Blue and Yellow LED.  Resolution: 128x64.  Power: 0.06W. ...

Feature: Reverse does not burn, the number does not shake. Digital tube: 36 x 14 x 13mm (L x W x H). Board: 35 x 16mm. Power supply: 7-30V, high...