This karaoke machine offers super sound quality with a high-performance audio driver and advanced digital signal processor. It has Bluetooth 5.0 for instant pairing with mobile devices up to 32 feet away. The built-in rechargeable battery ensures 5-10 hours of playback time. The price drops from $35.99 to $28.79 when you clip the 20% coupon on the product page. Shipping is free for prime members or on orders over $35.