Compatible with 100mm or 4" thermal printers

let the Alpha 61-key Portable Keyboard EK-97 help to realize your musical aspirations

Compact design easily folds into a convenient carry bag for travel

Ideal for both undercarriage and large flat surfaces cleaning such as patio

OVLENG Q7 USB Computer Headphones with Mic and Volume Control Outdoor Living Compatible with 100mm or 4"Features: High definition sound anywhere you want it. Committed to giving music enthusiasts the best in sonic performance The headphone gives you a high definition sound experience. Our advanced technology provides ultra precise highs and mids, plus deep, distortion free bass, so you hear every detail, the way the artist intended you to hear it. Specifications: Impedance: 32 ohms Sensitivity: 102dB, S. P. L. at 1kHz Frequency response: 20Hz 20,000Hz