Shopping cart

Subtotal:

Best Electronics MT39 Smart Watch: Heart rate monitoring

Smart Watch — Smartwatches, Best Electronics

For the active professional who wants to track fitness without constant phone checks, the MT39 Smartwatch keeps you connected and healthy. While many focus on step counting, this watch offers peace of mind with its heart rate and blood oxygen monitoring, letting you spot trends during your daily run or stressful workday.

The vibration alert for calls and messages is strong enough to feel during a meeting, so you never miss an important notification. With 107 sports modes and a long-lasting battery, it adapts to your lifestyle, whether you're hiking or just managing a busy schedule. Pair it easily with your smartphone via Bluetooth for seamless updates and Alexa compatibility to control your smart home on the go.

Features
  • Blood pressure monitoring
  • Oxygen level monitoring
  • IP68 waterproof rating
  • Long battery life up to 14 days
  • 107 sports modes
  • Sleep monitoring
  • Sedentary reminder
  • Call and message notifications
  • Step counting and calorie tracking
  • Heart rate monitoring

General specs

  • Brand: Best Electronics
  • Model: MT39
  • Seller: Joom
  • ID: 676a4338503de701f84a5915
  • Health Sensors: Heart Rate, Blood Pressure, SpO2
  • Bluetooth Version: 5.0
  • First listed by seller: 5/23/25

If you are interested in more details, you can find full information on the seller's page.

$46.84
Last price update: 12/6/25
Out of stock
Price History for seller Joom

Shipping options

Delivery to United States
Unavailable

Comparison with similar products

This item Recommendations
Smart Watch — Smartwatches, Best Electronics
Best Electronics MT39 Black Heart rate monitoring
Smart Watch with Long Battery Life and Flashlight — Smartwatches, LIGE
LIGE EF12-C Black 50 days battery life in standby mode
Smart Watch, Fitness Tracker with 45mm Touchscreen, Heart Rate Monitor, Blood Oxygen, Sleep Tracking, IP68 Waterproof — Smartwatches, TYKOIT
TYKOIT 1b520cf0-6901-4429-bb93-42d4d3da6470 Black Real-time heart rate monitoring
Smart Watch for Men — Smartwatches, LIGE
LIGE EF12-C Gunmetal gray Make and answer calls directly
Smart Watch — Smartwatches, Senbono
Senbono IDW25 Purple Alexa voice assistant built-in
Smart Watch with Call, Fitness Tracker, Heart Rate Monitor, Waterproof, Sport Modes — Smartwatches, Sanorum
Sanorum G56 Make and answer Bluetooth calls
Brand Best Electronics LIGE TYKOIT LIGE Senbono Sanorum
Model MT39 EF12-C 1b520cf0-6901-4429-bb93-42d4d3da6470 EF12-C IDW25 G56
Color
Rating
(2)
(2)
(0)
(3)
(0)
(9)
Price $46.84 $59.99 $21.99 $42.99 $29.99 $25.49
Seller Joom Amazon Amazon Amazon Amazon Amazon
Update November 30, 2025 December 6, 2025 December 6, 2025 December 6, 2025 July 20, 2025 December 6, 2025
Health Sensors Heart Rate, Blood Pressure, SpO2 Heart Rate Heart Rate, Blood Oxygen Heart Rate, Blood Oxygen, Stress, Sleep Monitor
Bluetooth Version 5.0 5.2 5.0 5.2 5.0
GPS None Connected None None
Battery Life 15 10 10, 15 7
Connectivity Bluetooth Bluetooth Bluetooth Bluetooth
Display Size 1.75 45 1.75 1.83
Display Type IPS AMOLED HD AMOLED
Sports Modes 100 14 100 120
Battery Capacity 1000 180 1000
OS Compatibility Android, iOS Android, iOS Android, iOS Android, iOS
Water Resistance IP68 IP68 IP68 IP68
Smart Watch — Smartwatches, Best Electronics

Smart Watch

$46.84

Reviews

5
(2 reviews)
5
1
4
0
3
0
2
0
1
0
George Johnson
George J. GB Leeds
June 4, 2025
Decision:
Top