Koleer Portable Wireless Bluetooth Speaker Black

LOUD STEREO SOUND: Small size but powerful loudness. The combination of crisp high tone, extra bass and surprisingly room-filling loudness presents you an unparalleled audio experience, and you can pair two KOLEER S31 Bluetooth speakers via TWS Dual pairing for even more fun.
IPX7 WATERPROOF: Grab and go without worrying about rain or spills damaging the speaker. The durable silicone exterior ensures you a happy time outdoors playing music freely under any weather conditions. This portable IPX7 waterproof Bluetooth speaker is your ideal outdoor speaker choice.
BLUETOOTH 5.0: Effortless pairing and stable connection, thanks to the latest Bluetooth 5.0 technology. Compatible with all Bluetooth devices, this wireless Bluetooth speaker ensures you the most perfect sound quality transmission in a barrier-free environment within 100ft transmission range. Support TF card and USB.
LED DANCING LIGHTS: Dance without dancing lights? That's the last thing we want to do. With beautiful lights glowing to the beat of audio streaming, you will never get bored with music played by this small but powerful Bluetooth speaker. Ideal for outdoors, home, family activity, party, office and poolside, etc.
LONG PLAYTIME & ULTRA-PORTABLE: Up to 30 hours! Built-in 2500mAh rechargeable Li-ion battery supports up to 30 hours playtime at 70% volume under a full charge. Double as a backup battery for your phone in an emergency. Moreover, equipped with a detachable strap, this light weighted small portable Bluetooth speaker is designed to tag along with your music trip on the move.