may use two lens barrels alternately to eliminate visual fatigue and improve work efficiency

won't burden your ears when wearing

Spiral length: 24mm

Especially with the beautiful that also works as a good conversation starter during lunch

360 Degree Rotatable & Retractable Car Phone Holder Mount Color:Black may use two lens barrelsIt wont block your sight. The arm length can be retractable and the angle can be adjusted for a better and safer driving experience. Suitable for those who don't like or aren't used to looking down at their phones when driving. It is also suitable for the co pilot to watch videos and kill boring time. FEATURES No More Looking Down at Navigation: The phone holder is mounted on the car's rear view mirror and levels with it to keep your eyes on the road.