Bluetooth earphones are a great gift for iPhone 10 users who enjoy listening to music or taking calls on the go. Look for earphones that offer good sound quality, comfortable fit, and long battery life. Features like noise cancellation and water resistance can also be beneficial. Some earphones come with a charging case that provides additional battery life on the go. Consider the recipient's preferences, whether they prefer in-ear, on-ear, or over-ear style, and choose a design that suits their taste.