SP-T51 Antique Speaker is a hands free speaker that can be used with the retro telephone set. It can be paired to the phone for listening your favorite music. It allows for an efficient and safe charging to the mobile. SP-T51 Antique Speaker is incorporated with high service life. This is accessible with numerous modern features and can fulfill many market requirements. This is provided with a modular design and is proffered with high functionality. Sound quality of the speaker is quite good.