POWERFUL STEREO SPEAKER: Dive into an exceptional audio experience with PartyFree S2 portable Bluetooth speakers. Featuring a 4-inch built-in subwoofer, two tweeters, and an oversized passive radiator, the PartyFree S2 loudspeaker ensures punchy bass and outstanding clarity. Three customized sound modes are perfect for all musical genres, including pop, jazz, classical, electronic, and blues. MULTIPLE AMBIENT LIGHTING KARAOKE FEATURES: The PartyFree S2 wireless Bluetooth speaker not only delivers impressive sound but also lights up your gathering, syncing with the music beat and creating an unparalleled festive atmosphere. Plus, this party speaker is equipped with a dedicated microphone/guitar jack (0.25 inch), making it ideal for karaoke enthusiasts. And it is a perfect gift for holidays and special occasions (Father's Day, Valentine's Day, Christmas, Thanksgiving, New Year, etc). WIRELESS STEREO PAIRING: Pairing two PartyFree S2 Bluetooth speakers, you can unleash an astonishing 100W (160W Peak) of stereo resonance, taking the party to the next level. Immerse yourself in stunning sound and vibe with these ultimate portable speakers. UNRESTRICTED CONNECTIVITY: The PartyFree S2 wireless speaker offers versatile connectivity via Bluetooth, USB, 3.5mm auxiliary, 6.35mm professional jack, ensuring compatibility with all your audio gear?from smartphones to instruments. The built-in FM radio captures 50+ channels at your fingertips, elevate your daily audio experience with effortless control and endless entertainment. 12H PLAYBACK ULTRA PORTABLE: PartyFree S2 wireless speaker boasts an 8000mAh high-capacity rechargeable battery that provides up to 12 hours of playtime (50% volume), ensuring all-day enjoyment. It also serves as a power bank, recharging your smart devices and more. With a handle, this outdoor Bluetooth speaker is an ideal choice for sports, fitness, picnics, camping, beach parties, travel, indoor outdoor parties.