TREBLAB FX100-Extreme Bluetooth Speaker- Rugged for Outdoors,Shockproof,Waterproof, Built-In Power Bank, HD Audio w/ Deep Bass - 80 Hz to 20 kHz - 360 deg. Circle Sound, Surround Sound, TrueWireless Stereo - Battery Rechargeable - USB

THE LOUDEST PORTABLE SPEAKER - Make and receive calls using the built-in noise-cancelling microphone to enjoy crystal clear conversations. It makes a steady and unbreakable connection with all Bluetooth-enabled devices. RUGGED WIRELESS SPEAKER - This rugged piece of kit is jam-packed with tech that will blow your toe-tapping socks off. A durable carabiner offers the ideal solution to music on the move. This waterproof speaker will blast out crystal clear sound from the surf to the snow and back again! IT REALLY IS A LITTLE POWERHOUSE - The perfect partner for fitness explorations, it will even charge your cellphone for you. ENJOY THE BEST SOUND - Turn it up and experience 360 deg. surround sound with no distortion; hear the same crystal clear highs and thumping bass at all sound levels.