For Use With A Home Stereo, Av Receiver, Or Amplifier, Consider The, Aac). Product Details Hi-Fi Audio Adapter with Audiophile DAC ? World?s best Bluetooth chipset Qualcomm QCC5125 applied. - The latest Qualcomm?s QCC 5125 which implements the premium high-quality codec (aptx adaptive, apt X HD, LDAC), is applied. ? World?s top 3 high-quality Bluetooth codecs applied. - [LDAC, aptX adaptive, aptX HD] We are proud of being a leader of Hi-fi Receiver Market by applying all three of the world?s hottest high-quality codecs to support our audiophiles. ? The ESS's high-quality Quad DAC ES9219 applied - The ESS Quad DAC ES9219 delivers the best audio quality available today ? Ultra-low noise LDO (Low Drop-Out regulator) - The most affecting sound quality in audio equipment is that the complex noise generated by many parts on the PCB board degrades the sound quality. SLASH is designed to use actively high-quality LDOs that can remove ultra-low noise. This allows you to enjoy high-quality music by preventing unwarranted noise from affecting the audio quality. *PSRR(Power supply rejection ratio) 1/79432 times noise improvement effect. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.