1. Material: plastic
2. Single size: the ball head is about 1.7 cm, the clip is about 2.5 cm long, and the opening is about 0.8 cm
3. Single weight: about 20 grams
4. Application: general
5. Features: spring pressing, simple and convenient operation, olecranon hook design, stable and anti-falling, wide applicability, suitable for most air outlets
2. Single size: the ball head is about 1.7 cm, the clip is about 2.5 cm long, and the opening is about 0.8 cm
3. Single weight: about 20 grams
4. Application: general
5. Features: spring pressing, simple and convenient operation, olecranon hook design, stable and anti-falling, wide applicability, suitable for most air outlets