【Size】Covers the eyes securely and provides a comfortable fit. 【Color】Sophisticated black creates a refined atmosphere. 【Rechargeable】Energy-saving design for convenient use with once-a-week charging. 【Hot & Cold】Gel pads for cooling in summer and warming in winter, useful all year round. 【3-Level Adjustment】Relax your eyes at your preferred temperature. 【Complete Light Blocking】Zero light leakage design for relaxation in the dark. 【20min Auto-Off】Safe with an automatic off function, even if you forget. 【Silk Material】Supports restful sleep with skin-friendly silk material.