Product name: Headphone holderProduct material: aluminum alloy & siliconeProduct color: black, silverProduct weight: 318g for single column, 363g for double columnProduct features: single column / double column, stable hangingprompt:1. Please check the size before buying. Due to manual measurement, an error of 0-5cm will occur. beg to be excused2. Excluding items other than the headphone holder shown in the product photos.3. Please note that due to different displays, there may be slight color difference, please understand.4. The above data is for reference only, the size is manually measured, each variable may be different, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us by email, we will solve the problem as soon as possible.6. Welcome your sharing and feedback so that we can provide you with better products and services.7. Thank you for visiting my store, click to enter my store, there will be a lot of products for your reference, logistics, generally we will ship within 1-3 days, and the estimated arrival time is 9-15 days.