in-ear headphones, Bluetooth 5.1, built-in microphone, waterproof (IPX5), charging case, operating time: 7h
in-ear headphones, Bluetooth 5.1, built-in microphone, waterproof (IPX5), charging case, operating time: 7h
in-ear headphones, Bluetooth 5.1, built-in microphone, waterproof (IPX5), charging case, operating time: 7h