Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: VRURC Wireless Charger for Apple Watch, 2-in-1 Charging Pad Stand Compatible for with for iPhone Xs/XS Max/XR/X/ 8/ Plus/Series 3/2/1
Product description: VRURC Wireless Charger applies the wireless charging standard of WPC-Qi 1.2 and Apple watch protocol, its compatible with Apple watch charging standard and mobile phone with Qi wireless charging standard. It supports 10W fast charging for Samsung, 7.5W fast charging for iPhone and 2.5W charging for Apple watch., Charging Devices compatibility list:, -iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8/ 8 Plus, -Galaxy S9 / S9+ /S8 / S8 Plus /Note 8, -Galaxy S7 / S7 edge, -Galaxy S6 edge+ / Note 5, -Nokia Lumia 830 / 920 / 1020 / 1520 / 930, -Google Nexus 4 / 5 / 6, -Apple Watch Series 1/2/3, Package included:, 1 x Qi Wireless Charging Pad, 1 x 3.3FT/1M USB Type C cable, 1 x User Guide, 1 x 18W QC3.0 Adapter (output: 5V-3A/9V-2A/12V-1.5A), Notes:, 1. Remove any metal phone cases or any cases thicker than 4mm before use., 2. When charging Apple watch or charging iPhone and Apple watch at the same time, it must be plugged in a QC3.0 adapter. If you use 5V/1A power supply, it will cause the watch not to be charged or charging slowly., 3. Do not Place the phone on the iWatch charging area, it will not to be charged.
Product feature: SPECIAL DESIGN: 2 in 1 Wireless Charger, you can charge your iPhone and Apple watch at the same time., COMPATIBLE DEVICE: 7.5W fast charging for iPhone XS Max XS XR X 8 8 Plus. 10W fast charging for Samsung Note7/8 S9/8/7. 2.5W charging for Apple Watch Series 1 2 3 4., DURABLE AND STURDY: Constructed of premium aluminum alloy with refined polishing, perfectly finished for a solid build and smooth surface., ADVANCED SAFETY PROTECTION: Eliminate safety concerns with over-voltage protection, temperature control, foreign object detection, and more., WHAT YOU GET: VRURC wireless charger, 3ft usb-c cable, QC 3.0 adapter, user guide, 18-month warranty, and friendly customer service.
Product price: $39.99
Product brand: VRURC
Target attributes: Maximum Output
Answer: attribute: maximum output
value: None
source: None