Decathlon Rockrider ST520, 21 Speed Mountain Bike, 27.5", Gray, Medium - Walmart.com
Amazon.com: Air Bone Conduction Headphones, Wireless Bluetooth 5.0 Open Ear Headphones IPX5 Sweatproof Lightweight HiFi 9D Stereo 15 Hrs Playtime Sports Headset with Mic for Running, Cycling, Gym, Driving (White) : Electronics