"MORE SOUND, MORE BASS, MORE VOLUME : Enjoy True, Full Room Sound From Our Resonance Technology And Tri-Band Sound Frequency. The Speaker Captures The High Highs And The Deepest Lows, Giving You Rich, Full Surround Sound. Perfect for personal outdoor use. If you are out on a camping trip, or spending some time with friends on a picnic, you’ll find Bluetooth speakers very handy. BLUETOOTH SPEAKER CONNECTION : Connection Is A Snap! Use The Bluetooth To Sync With Your Favorite Devices In Seconds And Enjoy A Wireless Range And Making Wireless Reconnection Easy And Automatic. Enjoy amazing audio experience on the go. Mini and compact design makes it easy to carry along anywhere you travel. TF Card Music Player: Built-in TF card read-only decoding, can play TF card stored in MP3 / WMA format music directly. DURABLE WATER RESISTANT : Is Built To Resist Wear And Tear, And Can Stand Up To Water, Dust, Or Even Sand! Fine Mesh And Innovative Fabric Make The Speakers Built To Last. You just need to pair you phone or other music player which support Bluetooth with the speaker. After paired, you can enjoy the music with speakers that offer you great sound quality. SOUND TO GO : The Speaker Has A Built-In 6,000Mah Lithium-Ion Battery. Reliably Get About 2 To 4 Hours Of Playtime On A Single Full Charge Comes With Convenient Charging. Wireless Bluetooth Speaker with Rechargeable Battery. Compatible with MP3/4 devices, TF/USB Flash Drive, or any audio device which is Bluetooth compatible or has a 3.5mm jack. "