As one of its daily deals, CowBoom offers the used Sony SmartWatch 2 for Android Devices in Black, model no. SW2MET, for $99.99. Coupon code "SmartWatch2509414" cuts the price to $49.99. With free shipping, that's $20 under our June mention of a used unit, the lowest total price we've ever seen, and a current low of $30. (For further comparison, it's $10 under our mention two weeks ago of a refurb.) This latest model is compatible with most devices running Android 4.0 or later. It features a 1.6" 220x176 transflective touchscreen LCD, aluminum body, and Bluetooth 3.0. Deal ends today.

Note: No warranty information is provided, and this item may have minor scratches and/or be missing accessories.