TPA3116 50W x2 Bluetooth AMP Digital Amplifier HIFI 2.0 Audio Stereo Bass AUX With Power Supply Ship to worldwide via post air mail with tracking number. Bluetooth distance: 10 metersBluetooth standard protocol: Bluetooth 4.0 + EDRRated power: 50W×2Input Interface: Bluetooth, USB sound card, AUXVoice prompts: English GirlOperating mode: ButtonAmplifier chip: American TI TPA3116 ×2Power input: DC9V-24V / 4A or aboveDimensions (Excluding protrusions): (W)80 × (D)53 × (H)22mm (3.15 × 2.09 × 0.87 inches)Net Weight: 105 grams (0.231 pounds) Package include:1× Amplifier (red/blue)1× 12V/5A Power Adapter 1× 3.5mm Audio Cable1× RCA cable1× USB Cable1× English Manual 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. .