High Quality NEW!!! Dimensions: 4.7 x 0.9 x 3.1 cm Weight: 20 g Connection: 30 Pin Compatibility: Original Bose Series 1 Sound-dock Bluetooth Range: 10 m Connection: 3.5mm Audio Jack Home Stereo: YES Auto-Repair: YES Works with any Bluetooth Device - Laptop, Smartphone, MP3 Player, Tablet & any Echo Device