Best 2026 Smartwatches for Bluetooth connectivity

#1 Samsung Galaxy Watch 9
5.0

Bluetooth 6 is viewed as a meaningful upgrade because it can extend useful distance from the phone while improving efficiency.

Pros: software smoothness, wellness insights

Cons: battery life, charging speed

#2 Amazfit T-Rex Ultra 2
4.5

Bluetooth/app connectivity was reliable in the Live Science test, with no disconnects or transfer problems reported.

Pros: battery life, value for money

Cons: heart rate accuracy, comfort

#3 Samsung Galaxy Watch Ultra 2
4.5

Bluetooth support is useful for phone-free audio and, notably, direct cycling power-meter connections. The connection options broaden the watch’s usefulness without requiring a phone for every activity.

Pros: battery life, comfort

Cons: value for money, charging speed

#4 Amazfit Balance 3
3.8

Bluetooth was broadly capable, including external-sensor support, but one setup had annoying initial pairing trouble. Once connected, that reviewer reported stable operation.

Pros: battery life, brightness

Cons: fit, third-party app support

#5 Amazfit Active 3 Premium
2.6

Bluetooth connectivity is mixed-to-weak in the evidence because map transfer depends on Bluetooth and is described as slow.

Pros: value for money, battery life

Cons: heart rate accuracy, third-party app support

#6 Apple Watch Series 12
1.5

Bluetooth support drew sharp criticism from athletes who want the watch to broadcast heart-rate data directly to bike computers, trainers and other devices.

Pros: value for money, heart rate accuracy

Cons: data privacy

#7 Apple Watch Ultra 4
1.0

Standard Bluetooth use is present, but the inability to natively broadcast heart-rate data to common fitness equipment is a notable limitation for some athletes.

Pros: battery life, value for money

Cons: data privacy, comfort

#8 Garmin Forerunner 70
1.0

Bluetooth works normally for most syncing and sensors, but isolated failures made setup and phone reconnection extremely frustrating. A restart may be needed when pairing stalls.

Pros: battery life, value for money

Cons: mapping and navigation, smartwatch features