Ends 2/28. Amazon has the Orico 2-Outlet 4-USB Surge Protector Power Strip (Black) for $18.99 - $9.50 off with coupon KJ3KL35M = $9.49 with free shipping for Prime members. Features four USB charging ports, two AC outlets, and a 5-foot power cord.
Ends 2/28. Amazon has the Paxcess Bluetooth 5.0 Audio Receiver / Transmitter for $30 - $15 off with coupon J7OP9L5Y = $15 with free shipping. Features aptX low latency support.
Has average Amazon Reviews.
Amazon has the Viewtek Bluetooth 4.1 Receiver (Black, KO-GCBH-H0UT) for $19.50 - $9.75 off with coupon J298XBS6 (Ends 2/27) = $9.75 with free shipping. Enables Bluetooth connectivity up to 33 feet via a 3.5mm audio connector, can connect two Bluetooth devices at the same time. And it also could compatible with most smartphones and Bluetooth electronics.
Has excellent Amazon Reviews.