Sunvalley Brands via Amazon offers the TaoTronics Optical and Aux Bluetooth Transmitter and Receiver for $49.99. Coupon code "36OBS9CL" cuts it to $34.99. With free shipping, that's $2 under our March mention, a current best by $28, and the lowest price we've seen. Deal ends May 20. Features include:
  • Bluetooth 4.1
  • 3.5mm and optical inputs and outputs
  • RCA adapter cable
  • automatic pairing with previously connected devices
  • 15 hours of use per charge