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
