TCL In-ear Bluetooth Sport Headset, IPX4, Frequency of response: 10-22K, Sensitivity: 100 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Bluetooth (BT 5.0) & 3.5mm jack, Color Monza Black

The TCL In-ear Bluetooth Sport Headset, IPX4, Frequency of response: 10-22K, Sensitivity: 100 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Bluetooth (BT 5.0) & 3.5mm jack, Color Monza Black is a pair of earphones featuring Bluetooth wireless connectivity, reliable wired connectivity, and IPX4 water resistance in a stylish black finish. Comfortable for extended use, it is a great choice for music, calls, and daily listening.