High-concerned chemical : None<br>Support Memory Card : No<br>Support Apt-x : Yes<br>Support AAC : Yes<br>Model Number : 40759<br>Package : Yes<br>Feature : None<br>High Definition Support : None<br>Content : AUDIO<br>WIFI Standard : None<br>Wireless Type : Bluetooth<br>Sound Track : Double<br>Interface : 3.5 MM<br>Brand Name : UGREEN<br>Origin : Mainland China<br>Certification : CE,FCC,RoHS<br>Certification : CE,FCC,RoHS,SRRC,UKCA,KCC,BQB,TELEC<br>Product Name : Bluetooth Audio Receiver / Bluetooth Receiver<br>Special Feature : Wireless, Portable<br>Interface Type : With 3.5mm jack & 2RCA ports<br>Bluetooth Version : Bluetooth 5.1<br>SNR : >90dB<br>Bluetooth protocol : A2DP, AVRCP<br>Operating frequency : 2.400GHz-2.483GHz<br>Transmission distance : 10 meters<br>Audio sampling rate : aptX: 16bit/48KHz; aptX HD: 24bit/48KHz; AAC/SBC: 16bit/44.1KHz<br>Response frequency : 20-20KHz<br>THD : <0.1% (TYP: 0.05%; load: 16R)<br>Speaker Classification : Loudspeaker<br>Standard Style : Not support aptX, support AAC / SBC<br>aptX Style : Support aptX HD / aptX / AAC / SBC<br>Notice : Without buit-in battery ,keep charging while working<br>Feature 1 : Bluetooth aptX Receiver / Bluetooth Car Receiver / Bluetooth 5.0 Receiver / Bluetooth 5.1 Receiver / Bluetooth RCA Receiver / Bluetooth 3.5mm Receiver<br>Feature 2 : Bluetooth Aux Adapter / Bluetooth Adater / Bluetooth aptX Adapter / Bluetooth 5.0 Adapter / Bluetooth 5.1 Adapter<br>Function 1 : Connect 2 devices at one time<br>Function 2 : Stereo Sound / CD Sound Quality<br>Function 3 : Self-start after power-on<br>Function 4 : Built-in high-performance power isolation module.<br>Function 5 : Indicator light<br>Function 6 : Multi-function button<br>