Features:The internal BT5.0 chip provides a stable connection of 8-10m without delay.Built-in noise cancelling microphone allows you to make hands-free calls directly through car speakers, providing clear, practical, and enjoyable soundThis BT adapter allows users to pair and share two devices simultaneously without encountering any trouble.Made of zinc alloy shell and 3.5mm gold-plated plug, it has a strong texture, wear-resistant and scratch resistant, greatly enhancing the durability of the product.Plug and play, simply plug it into a 3.5mm auxiliary jack and power it through a USB port, without the need for a battery. When you open the car, it will automatically connect to your phone.Adopting 0.3M-1.5M high rebound TPE cable, it has strong elasticity, anti winding, and bending resistance, meeting your needs in different occasions.standard:Type: Car mounted BT receiverBT version: V5.0Transmission distance: 8-10mSignal to noise ratio: 90dBFrequency response: 20Hz-20KHzInput interface: 3.5mm audio interfacePower port: USB2.0Cable length: 0.3-1.5m Color: As shown in the picture Package includes: 1 * receiver Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly