["Features:\n- Material: Natural Bamboo\n- Stylish, Hip and Modern\n- A great gift for anyone who loves MUSIC!\n- After carbonization, the outer surface of furniture paint\n-No battery, no power supply\n-Can be used both indoor and outdoors\n \n1:Echo resonance principle using voice, deep and powerful sound wood materials guaranteed.\n2: Phone in the card slot, either better let you enjoy the joy of music to be more convenient to let you watch the video.\n3:The natural wooden handmade sound amplifier enables you to share your music through passive sound amplification. Incredibly durable and renewable wooden and bamboo bring a relaxed style to any area. Our passive amplifier is hand-made to create a unique and one of a kind look.\nColor please refer to picture\nSize: long 100mm/3.97'' width 60mm/2.36'' high 3mm/1.18(about)\nCan be used for mobile phones with thickness less than 12 mm and width less than 85mm,fit for smart phone less than 6.4inch.\n \n Package Includes:\n1 x Phone Sound Amplifier（Does not include mobile phones）\n\nNote:\n1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.\n2.The colors may have different as the difference display, please understand."]