PORTABLE CHARGING CASE: Enjoy your favorite music longer with the included travel charging case designed to recharge your wireless bluetooth headphones up to 4X! Never worry about battery life for these earbuds when you are working or traveling. Perfect for storage and charging while on-the-go. HD QUALITY SOUND: Featuring the latest TWS bluetooth technology in each earbud allows for premium quality sound, faster bluetooth pairing and wider range of sound levels. Easy to use with touch controls on each earbud. With your choice of rubber or foam earbud tips, the perfect fit matched with superior quality audio allows for the optimal listening experience. ABSOLUTELY WIRELESS: The OXID AudioBuds are True-Wireless Headphones for a tangle-free listening experience. Charge from home or on the go with the travel charging case and when unplugged, these earbuds fit snug and comfortably over your ear individually for a wire-free listening experience. With your choice of using 1 or 2 earbuds at a time, the AudioBuds are perfect for any activity.