TCL Neckband (in-ear) Bluetooth + ANC Headset, HRA, Frequency: 8-40K, Sensitivity: 100 dB, Driver Size: 12.2mm, Impedence: 32 Ohm, Acoustic system: closed, Max power input: 30mW, Bluetooth (BT 4.2) & 3.5mm jack,HiRes Audio & ANC, Color Midnight Blue

The TCL Neckband (in-ear) Bluetooth + ANC Headset, HRA, Frequency: 8-40K, Sensitivity: 100 dB, Driver Size: 12.2mm, Impedence: 32 Ohm, Acoustic system: closed, Max power input: 30mW, Bluetooth (BT 4.2) & 3.5mm jack,HiRes Audio & ANC, Color Midnight Blue is a pair of earphones featuring Bluetooth wireless connectivity, reliable wired connectivity, and active noise cancellation in a stylish blue finish. Comfortable for extended use, it is a great choice for music, calls, and daily listening.