La caja MEDca con USB se ve así

UPDATED VERSION: It has been updated with a better speaker.Fashionable design, communication without embarrassment. EASY OPERATION: With a simple large touch button, short taps for volume control Volume levels: 1-2-3-4-5-6, long taps for turning on and off, no adjustment required. PORTABLE BOX: You can use it anywhere and anytime.There is no need to repeatedly buy and exchange batteries. GIFT DESIGN: Our batteries are offered with exquisite packaging and complete accessories.Great gift for your family and friends. EXCELLENT CUSTOMER SERVICE: Order now and enjoy a 30-day no-questions-asked return policy and a 1-year warranty. Ensures your risk-free shopping.