Tune into an ethereal experience with Raegr headphones. Some of the special features of these stunning pair include sweat resistance, excellent drivers and more. TWS earbuds and Bluetooth 5.0: Bluetooth 5. 0 chip provides ultra-stable connection, faster paring and universal compatibility. The wireless earbuds can last for 4-5 hours' music time on a single charge and 50h playing time in total with a built-in 1500 mAh battery charging case which can recharge up to 12 times. Auto pairing technology, take the twins earbuds out of the charging case and the left and right will pair with each other. In-ear design: Wireless headphones with ear canal ergonomics for long-wearing, noise cancellation and stable fit Ipx7 waterproof shell and interior nano-coating technology protect the sports earphones effectively from rain or sweat during workouts. This one comes with a classy design as well. The earbuds come with a snazzy black body. Customer Care Number: 7406660066; Customer Care E-mail ID: care@tekkitake.com