LEMONDA SMART SN80 1.3 inch Waterproof Smart Bracelet Heart Rate Blood Pressure Wristband – Black / Red

• 1.3-inch full touch screen

• IP68 waterproof, supports daily needs such as swimming, bathing, washing hands

• Dynamic analysis of the heart rate histogram result

• BOSCH BMA421 high-end low-power sensor (high precision)

• Heart rate, blood pressure and blood oxygen monitoring

• DIY watch dial, you can set autodyne photos, family photos on the main watch dial

• Replaceable colorful silicone belt

Specifications:

• Multiple sport mode: walking / running / cycling / skipping / badminton / basketball / soccer

• Chipset: NRF52832

• Internal storage memory (ROM + RAM): 64KB + 512KB and add another flash: 128Mb 

• Maximum external memory support (Flash T) (GB): N / A 

• UTMS / wcdma band: N / A 

• GSM band: N / A 

• LCD style: IPS 

• Screen size: 1.3 inches 

• Resolution: 240 * 240 

• GSM antenna: N / A 

• BT antenna: yes 

• G-sensor: bosch BMA421 

• Battery: 250mAh 

• Rare listening: hrs3300 dynamic sound frequency real-time

• Blood pressure: yes 

• Blood oxygen: yes

• Compatibility: Android 4.4 or higher, iOS 9.0 or higher