$ 29.99 with 30% coupon L7NZESLG $ 20.99 total. Other promos available but didnt try them.

Specifications:
Speaker: 50mm
Impedance: 32 Ohms
Sensitivity: 110dB +- 3dB
Frequency Response: 20Hz-20KHz
Max. Power: 300mW
Rating Power: 30mW
Plug Type: 3.5mm/6.35mm stereo
Cable 1: 2m-3m coiled cable
Cable 2: 1.2m cable with microphone