Doorbell and video door phone connected -2 in 1 Bluetooth4.2 Audio Adapter Transmitter Receiver Low Latency 3.5mm Jack RCA Audio Receiver 1122Mbps for Car Sound System Highlights brand generic 2 in 1 Bluetooth4.2 Audio Adapter Transmitter Receiver Low Latency 3.5mm Jack RCA Audio Receiver 1122Mbps for Car Sound System Description: 2 in 1 Bluetooth 4.2 Audio Receiver/Transmitter Adapter for TV/Headset. Bluetooth transmitter / receiver for TV, computer, televisions, game consoles, DVDs and any other device RCA audio output / input. Bluetooth devices automatically search to connect, transmit wireless audio transmission, built-in echo cancellation and noise cancellation. Built-in Li-type battery charger and supports 300mAh quick charge and over-discharge protection, supports voice prompts. Compatible for Android system, for IOS and all Bluetooth audio devices. Specification: Material: ABS plastic Size: approx. 50mm / 1.96inch Transmission rate: 1122Mbps Effective working radius: 10m Bluetooth standard: 4.2 Package includes: 1 x Wireless Receiver Transmitter 1 x 3.5mm Audio Cable 1 x 2RCA Audio Cable 1 x Data Cable micro usb charging 1 x user manual Note: Color may be slightly different due to the color calibration of each individual monitor. Please allow slight measurement deviation due to manual measurement.