Upgrade your listening experience with WiWU's Transparent Wireless Bluetooth Earbuds T21. Designed with an ergonomic semi-earphone shape, these earbuds provide a comfortable and secure fit. Enjoy wireless convenience while receiving high-quality sound, perfect for phone calls or listening to music on the go. Specifications Battery capacity [mAh] *: 300.00 Bluetooth: 5.3 Headphone type: wireless in-ear Headphone charging time [min] **: 2.00