in-ear Bluetooth headphones, built-in microphone, operating time: 7 hours
in-ear Bluetooth headphones, built-in microphone, operating time: 7 hours
in-ear Bluetooth headphones, built-in microphone, operating time: 7 hours
in-ear Bluetooth headphones, built-in microphone, operating time: 7 hours
in-ear Bluetooth headphones, built-in microphone, operating time: 7 hours