Welcome to Our Store,We are devoted to offer High Quality Products with Reasonable Wholesale Price before shipment, all products will be tested at least 3 times to make sure all are in good condition any pictures, feel free to contact us thanks in advance for your kind support! TWS Wireless headphones Beats studio buds shipment can be UPS,FedEx,DHL and so on Active Noise Cancellation Transparent mode, The earbuds have up to 8 hours of listening time¹ with two additional charges provided by its pocket-sized charging case.².syi