Amazon has the Bluetooth Headphones Wireless Earbuds Stereo Hands-Free Calling Earphones Sport Driving Headsets with Charging Case for $40 - $20 off with coupon JDTHZF8I at checkout = $20 with free shipping.

eBay has the JBL T450BT Wireless On-Ear Headphones (Black, Blue or White) for $30 wiith free shipping. List price: $60. It has 11-hour battery life, 20Hz - 20kHz frequency range, flat-foldable design, and 32mm drivers.

Amazon has the Iqua Bluetooth Headphones (G38) for $49.99 - 5% off coupon (Clip extra savings coupon) (Ends 12/15) = $29.99 with free shipping. It features a 10-hour battery and they're water/sweat-proof.

Has good Amazon Reviews.

Amazon has the 3M Littmann 2146 Master Classic II 27 Inch Stethoscope (5 colors) for $61 with free shipping. Retail price: Has good Amazon Reviews.

Amazon has the CORSAIR HS60 7.1 Virtual Surround Sound PC Gaming Headset w/ USB DAC Discord Certified Headphones (CA-9011173-NA) for $35 with free shipping. Retail price: $70. Has above average Amazon Reviews.

Amazon has the Aukey Latitude Wireless Bluetooth Headphones (Black, EP-B40-US) for $30 - $12 off with coupon N6JI5YBY = $18 with free shipping. Deliver pure, rich CD-quality sound over Bluetooth and have an extended 8-hour playtime for days of music on a single charge.

Has above average Amazon Reviews.

Amazon has the Audio-Technica ATH-M50x Headphones + Bluetooth Adapter for $170 - $41 off with coupon L59WHAEI at checkout = $129 with free shipping. Has good Amazon Reviews.

eBay has the Bose On-Ear Wireless Headphones (Black) refurbished for $90 with free shipping. List price: $180. Features dual microphones and up to 15 hours of play time.

Amazon has the Anker Soundcore Liberty Lite Bluetooth 5.0 Truly-Wireless Earbuds (Black, AK-A3901011) for $45 with free shipping. List price: $80. Features smaller, lighter; faster, stronger. Delivering incredible audio that feels like it comes from the air itself.

Has above average Amazon Reviews.