[Snug Fit]: This upgrade premium TPU Gel cover fits perfectly with the Sony WF-1000XM4/Sony WF-1000XM3. [360掳Full Protection]: Provides overall protection for your Sony WF-1000XM4/Sony WF-1000XM3 from scratches, scuffs, drops and bumps without adding any bulk. Our case keeps your Sony WF-1000XM4 safe at all times. [Added Carabiner and Support Wireless Charge ]: Sony WF-1000XM4/Sony WF-1000XM3 case equipped with carabiner, very convenient to carry. Without removing case to charge your Sony Wireless Earbuds and it鈥檚 very easy to access charging port due to slim and light weight. [High Quality ]: Updated technology with premium material provides overall protection for your Sony WF-1000XM4. This case is not easy to turn yellow.