TCL In-ear Bleutooth Headset, Frequency of response: 10-22K, Sensitivity: 105 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Connectivity type: Bluetooth only (BT 4.2), Color Phantom Black

Name: TCL In-ear Bleutooth Headset, Frequency of response: 10-22K, Sensitivity: 105 dB, Driver Size: 8.6mm, Impedence: 16 Ohm, Acoustic system: closed, Max power input: 20mW, Connectivity type: Bluetooth only (BT 4.2), Color Phantom Black
Brand: UNKNOWN