As one of its daily deals, Best Buy via eBay offers the SmartLens Bluetooth Shutter and Music Remote in Black, model no. 3814BB, for $3.99. Opt for in-store pickup to avoid the $2.99 shipping charge. That's $6 off list and the lowest price we could find. It works up to 33 feet away and is compatible with most Bluetooth enabled smartphones and tablets. Deal ends today.