HiFi2.0 Bluetooth 50AUX input U disk playback sound card input high fidelity sound quality active speaker output passive speaker outputThe main knob adopts the rotary encoder only used in high-end power amplifiers to achieve 360-degree stepless tuning, and the hand feel is smooth.Mobile APP control support Android and IOS systems support remote firmware upgrade.Foreign customers please download in the Google market, search for 'sinilink' to download, the system built with advanced technology supports tens of millions of users concurrently, the system is stable and the speed is fast!Model: XY-W50LInput method: Bluetooth U disk AUX sound card inputColour:blackMaterial: pvcSize:72x45x31mmPackage Contents:1 x Audio amplifier moduleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Note: 1. Due to the difference between different monitors, the image may not reflect the actual color of the item. We guarantee that the style is the same as shown in the images, but not the same performance in different bodies than in the model. 2. Compare the detail sizes with yours, there may be differences of 2-4 cm due to the manual measurement , thanks to all the measures in cm and ten cm in cm 1 cm = 0.39 inches Payment: 1) We accept Alipay, West Union, TT. All major credit cards are accepted through the secure payment processor ESCROW. 2 If you can not pay immediately after closing the auction, wait a few minutes and try again. Payments must be completed in 3 days. Shipment: 1) Worldwide Shipping (Except some countries and APO / FPO) DHL UPS TNT FEDEX takes 3 to 7 days, EMS takes 8 to 12 days. Postal air mail takes 2 to 8 weeks. But all depend on the country delivered.