a device used to inflate sports balls, such as soccer balls and basketballs, by forcing air into them
ボールポンプ
a wireless communication device allowing two or more people to communicate over a shared frequency
双方向ラジオ
a device used to measure the distance from the observer to a target
レーザーレンジファインダー
a device that reduces vibrations or noise, making things more stable, comfortable, or effective
ダンパー
a device used by cyclists to track and display various metrics such as speed, distance, and heart rate
サイクリングコンピュータ
a safety device worn by athletes, primarily in motorsports like Formula 1 and NASCAR, to reduce the risk of neck and head injuries during crashes
HANSデバイス
a safety mechanism that automatically initiates specific actions, such as deploying a parachute or releasing targets
自動作動装置
a piece of sports equipment used in climbing to control the rope during belaying
ビレイデバイス
a device used in fishing sports equipment that uses technology to locate fish underwater
魚探
a specialized timepiece designed for underwater use, commonly used in scuba diving and snorkeling
ダイビングウォッチ