Amazon has the Ausdom M04 Bluetooth 4.0 Wireless Headphones w/ Built-In Microphone (Black) for a low $31.99 Free Shippingafter Coupon Code: "LN56N6JL"(Exp Soon). Tax in many states. These headphones normally sell for $54.99, so you're saving 28% off the list price. 190 reviews on Amazon with 4.6/5 (92%) rating Upgraded NFC Deep Bass Version Supports Bluetooth and NFC for smartphone pairing Can be used both wired (stereo audio only) and wireless Adjustable stretch headband, rotatable over the ear designed soft cushioned earpads Deep bass and full range sound (20Hz-20kHz frequency response) Built-in microphone with effective noise canceling 400 mAh Battery provides 18 Hours of Talk and Audio