Does the watch measure blood pressure accurately?

The results are for reference only as it is a consumer electronic device, not medical equipment.

How do I connect the watch to my phone?

You must download the APP first, bind the watch, and do not link it directly via phone Bluetooth.

What are the system requirements?

It supports Android 4.4 and above, iOS 8.0 and above, and requires Bluetooth 5.0.

E21 Blood Pressure IP68 Smartwatch Reloj Inteiligent Sport Smart Watch

Name: E21 Blood Pressure IP68 Smartwatch Reloj Inteiligent Sport Smart Watch
Brand: Shenzhen Runton Technology Co., Ltd.
SKU: 1953705812

Guangdong, ChinaShenzhen Runton Technology Co., Ltd.

US$15.50

30-299 Pieces

US$15.00

300-2,999 Pieces

US$14.50

3,000-299,999 Pieces

US$7.50

300,000+ Pieces

Sample price:US$17.50/piece.Request sample

Product profile

Customization

Available

Display

IPS

Usage

Detection, Communication

Model NO.

E21

Material

Silicone

Feature

Bluetooth, Water Resistant

Item Name

E21 IP68 Waterproof Smart Watch

Design

Bar

OS

Android 5.0

Phone Call

Yes

Warranty

12 Months

Display Size

1.69 Inch

Battery

200mAh

Color

Black, Silver, Gold

Display Color

Color

Standby Time

180 Hours

Compatible System

Android4.4 and ISO9.0 Above

Screen Material

Toughened Glass

G-Sensor

Support

Charging Method

Back Clip Charging

Accessory

Watch, USB Data Cable, Instruction Manual

Transport Package

Retail Color Box

Specification

200g(including packing)

Trademark

Neutral (Support OEM/ODM)

Origin

China

HS Code

9102120000

Production Capacity

20000pieces/Month

Key features

IP68 Waterproof Rating: Dust and water resistant for daily use, but not for bathing or soaking.

Long Battery Life: Standby time up to 25 days with 7 days of working time on a single charge.

Multi-Language Support: Watch UI and font support 15+ languages including English, Spanish, and Chinese.

Comprehensive Health Monitoring: Tracks heart rate, blood pressure, blood oxygen, sleep, and 24 exercise modes.

1.69 Inch IPS Display: High resolution 240x280 color screen with 6 customizable UI dials.

One Year Warranty: Covers non-man-made defects with free repair service for 12 months.

Fast Charging Interface: Features a magnetic back clip charging base for convenient power replenishment.

Company profile

Shenzhen Runton Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-01-01Average Response Time: >24hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryShenzhen Runton Technology Co., Ltd. is identified as both a trading company and manufacturer/factory in China, focused on consumer electronics such as Bluetooth headsets, speakers, power banks, and related products. The supplier reports six production lines, six plants or production areas, more than 200 experienced workers, ISO 9000 and ISO 9001 certifications, and dedicated quality-control and R&D personnel. Reported annual capacity is 600,000 headsets and 600,000 speakers, with stated lead times of within 15 working days in both peak and off-peak periods. The company exports to a broad range of regions and began exporting in 2016. It describes in-house component and accessory production, testing facilities, mold, injection, cable, printing, painting, spraying, and speaker capabilities. However, the provided information does not sufficiently establish after-sales procedures, financial credibility, specific customization performance, or verified customer case quality. Trade records show limited...

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its own description states that it has manufactured wireless speakers, headsets, and solar power banks since 2010, supporting a manufacturing role in consumer electronics.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These are explicit certification claims, although the provided slices do not include certificate numbers, validity dates, or issuing-body verification.

R&D capabilityThe supplier reports R&D engineers with 6–10 years of total experience, testing facilities, strong technical force, mold-opening capability, and a stated focus on rapid innovation. These details support innovation-related resources, although no specific patented technology, new-product record, or quantified R&D output is provided.

Production capacityProduction capability is supported by reported 10,000-square-meter premises, more than 200 workers, six plants or production areas, six production lines, in-house injection, cable, printing, painting, spraying, mold, and speaker workshops, plus stated annual capacity of 600,000 headsets and 600,000 speakers. The supplier also reports lead times within 15 working days in both peak and off-peak seasons.