Ortizan Bluetooth Speakers, IPX7 Waterproof Speaker with 20W Loud Sound, Up to 30H Playtime, Stereo Pairing, Deep Bass, Portable Wireless Speakers for Home/Party/Outdoor, Gift for Men or Women (Black)

ASTONISHING SOUND: Upgraded audio drivers with exclusive extra BASS technology deliver boosted bass with one touch of the BASS button.
TOTALLY WATERPROOF DESIGN: IPX7 rated fully sealed waterproof case can easily resist rain, snow, sand, etc, even fully submerged in water.
30H WORRY-FREE BATTERY LIFE: Ortizan’s exclusive long-life battery technology supports up to 30 hours of continuous music playback on a single charge.
ONE-CLICK BLUETOOTH CONNECTION: The Bluetooth 5.0 chip enables one-click pairing and provides a stable connection over 66 feet, even in difficult conditions.
WIRELESS STEREO PAIRING: Easily pair two M9 speakers to enjoy wireless stereo sound with separate left and right channels.
PARTY LIGHTS: Pulsating lights designed for parties will flicker, phase, and sparkle to the beat of the music, giving every bass, mid and treble a great light beat (lights can be turned on and off freely).
UNIVERSAL COMPATIBILITY: It can be paired with all Bluetooth-enabled devices, supports TF card and AUX-IN playback, built-in microphone for hands-free calling, and has strong anti-interference ability.