Speaker unit: 40mm, 5W*1 / 4Ω THD+N 10%. Frequency response: 120Hz~20000Hz. Size is 95*95*38mm. Weight is only 162g., thus speaker is incredibly lightweight and small so you can easily enjoy...

Speaker unit: 40mm. Power: 5W*1. Size is 93*93*45mm, designed for maximum portability thus speaker pocket size and light weight is perfect for those who want to take their daily dose...