PAVEOS Digital Display 5.0 Bluetooth Audio Receiver Transmitter 2-in-1 AUX Audio Adapter Converter Features: Rotation operation: volume key design, 360-degree variable, easy to use with hand in daily use to respond calls / play songs / pause, etc. Many interfaces: LED intelligent digital display is equipped with four audio interfaces AUX/RCA/TF/USB to easily support the connection of various audio devices, and the digital display is more intuitive -long standby: support the same charge and use, 400mAh polymer battery low-power circuit design, can listen to songs continuously for about 6~8 hours, fully charge for about 1 hour, and last for about 30 days Bluetooth 5.0 chip: fast and stable transmission, lossless sound quality, more devices Smart memory: the first connection, it will automatically re-receive when it is break open again, with built-in device memory/song memory/duration memory/volume memory 20m barrier- transmission: built-in ceramic antenna, barrier- 15-20m long-distance transmission with strong-interference ability and more stable signal 99% of audio devices: multi-interface design, various devices, cool breathing lights, and the use status at a glance Main feature: ◆ The appearance of the product is exquisite. ◆ Using Bluetooth 5.0 chip design, the concordant and stability are become good. ◆Bluetooth receiving (take over), Bluetooth transmitting (TX) two-in- ◆ Equipped with high-definition LED digital display screen, the working status and Bluetooth mode are clearly visible. ◆ Built-in digital to analog chip, support AUX,, USB, interface. ◆ Cool breathing, red/blue color, soft and not dazzling. ◆ Built-in 400mAh rechargeable lithium battery, long battery life ◆ Support USB (U disk), card playback and transmit. ◆ Support 5~8 meters infrared remote control (only remote control version) ◆ Built-in high-definition microphone, support wireless listening to songs, hands- calling, and navigation. ◆ The product connection is casual, without any cumbersome driving and downloading APP; Specification: Material: abs Size: About 6.7x7.3x3cm/2.6x2.9x1.2in Bluetooth version: Bluetooth V5.0 Supported protocols: take over: A2DP AVRC TX: A2DP Working frequency band: 2.402GHz -2.480GHz Power class: Power class 2 (Class II) Sensitivity: -85dBm