LightInTheBox offers the Zhiyun Smooth-Q 3-Axis Handheld Gimbal for Smartphones and GoPro Hero3/4/5 in Black for $108.98 with free expedited shipping. Excluding the below mention, that's the lowest price we could find now by $16, although we saw it for $5 less three weeks ago. It features vertical and horizontal shooting, Bluetooth, zoom and object tracking via its ZY Play app, and a built-in rechargeable battery that also functions as a portable battery pack for your smartphone.
Note: Uncheck "Add shipping insurance to your order" during checkout to remove the $2.99 fee.
Don't mind waiting for your deal? TomTop offers it for $104 with free shipping. (It ships from China and requires 7 to 20 business days for delivery.)