12V DC Wireless Audio Bluetooth Receiver Box RCA For Car Speaker Amplifier Modify loudspeaker box Ship to worldwide via post air mail with tracking number. Dedicated car wireless Bluetooth audio receiver box. Power supply voltage: DC 12VDC (7 ~ 16VDC for 12V battery car modification) with power input polarity reverse protection Power supply interface: 2.1 DC Block (2.1 / 5.5) Audio output: RCA audio block stereo audio output (to car audio amplifier input)Shell material: aluminum anode black Package included:1x Bluetooth Amplifier Board SHIPPING1. Ship to worldwide. If send by post air mail usually to Europe within 15 days after sent out. 2. Orders processed within 24-48 hours of payment verification.3. The images shown are the actual item and photographed by myself. 4. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.5. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! PAYMENTS1. Payment must be made within 4 days of product closing. (Non-payment may result in a UPI (Unpaid Item) being put on your account. .