TCL In-ear Bluetooth Headset, Strong Bass, Frequency of response: 10-22K, Sensitivity: 107 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Connectivity type: Bluetooth only (BT 5.0), Color Shadow Black
TCL In-ear Bluetooth Headset, Strong Bass, Frequency of response: 10-22K, Sensitivity: 107 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Connectivity type: Bluetooth only (BT 5.0), Color Shadow Black
TCL In-ear Bluetooth Headset, Strong Bass, Frequency of response: 10-22K, Sensitivity: 107 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Connectivity type: Bluetooth only (BT 5.0), Color Shadow Black