Utilizes Bluetooth 5.2 chip decoding for enhanced compatibility and stability; Built-in LED digital display for real-time battery status; Equipped with a stylish RGB breathing light and built-in AUX port; Two-in-one Bluetooth receiver (RX) and transmitter (TX); Upgraded receiver mode to one-to-two, allowing you to connect two phones simultaneously for music playback; Built-in 300mAh rechargeable lithium battery, providing approximately 8-10 hours of music playback, fully in 1.5 hours, and up to 30 days of standby battery life; Supports calls, navigation, and music playback with clear sound quality and is driver-free and easy to use; In transmitter mode, you can connect two Bluetooth headsets simultaneously with low latency; The product is easy to connect, without the hassle of drivers or app downloads; Compatible devices: Android, IOS mobile phones and for iPads, active speakers, amplifiers and Bluetooth speakers or headphones that support A2DP/protocol. Color: As Shown Material: ABS Package Contents: 1 * Bluetooth adapter 1 * Charging cable 1 * 3.5mm female to female adapter 1 * 3.5 female to red and white lotus cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.