Powerful Bass: Baseus E20 true wireless earbuds have oversized 12mm drivers that bring you powerful and detailed bass performance while maintaining clarity and precision in other frequencies 33 Hours Long Playtime: Get 6 hours of battery life on a single charge with a case that extends it to 33 hours. Fill your daily routine with your favorite soundtracks ENC for Clear Calls: Thanks to optimized microphone layout and the 2-mic ENC offers the listener on the other end crisp and clear call qualities without hiss and hum IPX5 Water-Resistant: Baseus E20 bluetooth earbuds are resilient against sweat and raindrops for supreme audio performance in any conditions at any time Bluetooth 5.3: The Bluetooth 5.3 connection provides faster and more reliable connectivity, increased range, improved power efficiency and audio quality Baseus E20 True Wireless Earbuds, 12mm Drivers with Powerful Bass, 33H Long Playtime, IPX5 Water-Resistant, 2 ENC Mics for Clear Calls, Bluetooth 5.3 Headphones In-Ear Ear Buds