The SW-RS28 In-Ear True Wireless headphones offer a wireless and comfortable listening experience. With a weight of only 35 grams, they are particularly lightweight and can be charged anytime and anywhere with the charging box. The headphones have a battery life of up to 60 hours in standby mode and a charging time of only 2 hours. With a capacity of 300 mAh, the charging box provides sufficient power for several charging cycles of your headphones.