mobile phone strap; cell phone charm
A decorative or functional strap attached to a mobile phone, often with a charm or character. Common in Japanese mobile culture.
友達からもらった携帯ストラップをずっと付けている。
I've been keeping the mobile phone strap I got from a friend on my phone.
That shop has a lot of cute mobile phone straps.
I attached a phone strap to my new smartphone.
My phone strap snapped and I dropped my phone.