**It is missing parts like the connection cable, it is used and I don't know if it works 100%.***YIER Bluetooth Speakers, Wireless TWS Portable Speaker with Lights,100dB Loud Subwoofer 80w(Peak) Stereo Sound, Bassup Technology, Long Playtime for Outdoor P

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• 【Incredible Sound Loved by million people】YIER wireless bluetooth speaker has a 80w(Peak) output power and the latest 4 drivers. (2 full-range drivers and 2 tweeter driver). Meanwhile，it is debugged by professional audio engineers. So YIER wireless speakers get enhanced bass, tight mids and crystal clear highs without distortion at any volume. Its sound is loved by millions of listeners.
• 【Beast Stereo Sound & Advanced Bluetooth 5.0】YIER Wireless speaker equipped with state-of-the-art Bluetooth 5.0 technology, it can easily pair two bluetooth speakers. Press the TWS button and you will get immediately 160w stereo surround sound, let you enjoy the same sound as concerts and concerts at home. Besides, you can use it in the backyard jobsite garage garden kitchen beach,this speaker is enough to fill the house.
• 【Rich Punch Bass & Beats Driven Light Show】YIER party speaker is equipped with the latest bassup technology. Press this Bass button, this speaker will packs a punch and is enough to fill the whole party with music. And with the excellent rhythm light show, your party will more shine. Let's start preparing for summer vacations and parties.
• 【Wooden Speaker】What makes the 'perfect' speaker enclosure? -Definitely a wood framed speaker. Beacuse Wood naturally non-resonant, so energising a speaker box with musical vibrations will result in minimal distortion. Wood has a high density, It has been used for centuries to help amplify a richer, clearer sound in instruments from guitars to grand pianos. So a speaker enclosure made of wood, and made well, will naturally sound good.
• 【12 Months Warranty Service】Enhance your Christmas party atmosphere with our portable speaker. This special package includes 1 speaker, 1 USB-C cable, 1 AUX cable, and 1 user manual. The speaker is equipped with 4 high-capacity rechargeable batteries, each with a capacity of 2500mAh, providing a total of 10000mAh for extended usage. Enjoy 4-18 hours of battery life, depending on your volume and lighting mode preferences. Rest assured, all YIER products come with a 12-month warranty and 24-hour online customer service. Should you have any questions, please feel free to contact us.