?5-Month Hassle-Free Warranty?:This bluetooth earbuds includes a 90 days money-back guarantee & 5-month warranty. Feel free to contact the customer service when you had any question about the headphones.Dear Customer, Hello! !! You buy the goods in the store, the store will send the order within 24 hours, the store will use the worry-free standard shipping, you will receive the goods within about 14-20 days, thank you for your trust, and have a good day!TWS & BLUETOOTH 5.0: More stable data transmission and longer transmission distance. Using the most advanced Bluetooth 5.0 technology. L2 mini supports HSP, HFP, A2DP, AVRCP. Provides stereo sound during a call. It also has fast and stable transmission without tangling.?Latest LED Display Charging Case?With the individual LED display can help check the power of the charging case at any time, providing you with a more convenient charging method. Go out throughout the day without power shortage and enjoy your songs while running, exercise