Can you connect and use 2 Bluetooth devices at the same time with iwatch 2?
AS above, can two Bluetooth devices work at the same time with Apple Watch 2
Apple Watch Series 2, iOS 10.1.1
Hi
Yes, you can two Bluetooth devices (of a different type) at the same time with Apple Watch (all models).
For example, you can listen to music from the synced playlist using Bluetooth headphones whilst also recording your heart rate during a workout via a Bluetooth chest strap monitor (if preferred to using the watch's built-in sensor).
The same applies with your iPhone, which can also use other paired Bluetooth devices whilst remaining paired with and connected to your Apple Watch.
More information:
Use Bluetooth accessories with your Apple Watch - Apple Support