Wirecutter's best deals: Dell's P2715Q 27-inch 4K monitor drops to $400
Other picks include a Samsung 500GB SSD and Plantronics BackBeat FIT 500 Bluetooth headphones.
Plantronics offers affordable wireless audio for your workouts
Two pairs also give you free access to professional workouts.
The best wireless exercise headphones
You have a few options, but long story short: Go with the JLab Epic2 Bluetooth.
The best winter running gear
Everything from a fitness tracker to a reflective ankle band for working out after dark.