Product code: 1021268 This Baseus transmitter allows you to connect your phone, for example, to a car stereo. This process uses a Bluetooth-AUX connection. It can transform wired devices into wireless devices thanks to built-in Bluetooth 5.0 technology and a 3.5mm AUX mini jack. The transmitter has a built-in call control panel, volume control, and a built-in microphone for making calls. This makes the product both a transmitter and a speakerphone. Key features: - Allows you to send and receive audio signals. Easily switch between transmitter and receiver - Connects your computer, TV, or laptop to a wireless speaker and headphones. Simply turn on transmitter mode - Allows you to play music from your phone on home stereo speakers, car speakers, or speakers without Bluetooth. Receiver mode is used for this - Ensures a fast and stable connection. Supports Bluetooth 5.0 technology Specification: - Manufacturer: Baseus - Model: BSBA-02 - Bluetooth version: 5.0 - Transmission range: up to 10 m - Microphone sensitivity: -42 dB (±2 dB) - Frequency range: 50Hz-20kHz - Operating time: about 10 hours - Battery capacity: 145 mAh - Charging connector: microUSB (5V / 0.1A) The set includes: - Bluetooth car transmitter AUX mini jack 3.5 mm Overseas Edition black