1、WIRELESS INPUT: Bluetooth sound receiver supports Bluetooth wireless connection input for cell phones, laptops, tablets, etc. 2、WIRED OUTPUT: Bluetooth sound decoder with headphone jack and dual RCA ports, connect to headphones, amplifiers, active speakers and other outputs. 3、HIFI POWER SUPPLY: Bluetooth sound receiver decoder adopts HiFi power supply design with unique boost dual 15V circuit design, no bottom noise, big dynamic and good sound quality. 4、BLUETOOTH 5.1: Wireless sound adapter adopts imported QCC5125 Bluetooth 5.1 chip, which supports Ldac/ Aptxhdi and other lossless Bluetooth protocols. 5、HIGH PERFORMANCE: Bluetooth sound adapter adopts ESS9018 decoder chip, primary power input voltage regulator circuit, regulated output power up to 5A. Item Type: Bluetooth Sound Receiver Decoder Material: Aluminium Alloy Operational Amplifier Chip: JRC5532 (DIP8, Operational Amplifier Block Design, Can Be Plugged and Replaced) Sound Signal Output Port: 3.5mm Dual Channel Headphone Hole x 1; RCA Dual Jack x 1 Signal Output Mode: RCA, Headphone Jack RCA Output Load: 10‑100K RCA Output Signal: 4Vrms Earphone Output Load: 8‑300Ω Earphone Output Power: 280mW Bluetooth Reception Distance:>20m Without Blocking 1 x Sound Adapters 1 x Signal Bar 1 x Instruction Manual 1 x Power Cord