IMPROVED LONG LASTING RECHARGEABLE BATTERY LIFE: Enjoy your leisure ride, stress-free, without worrying that the battery will run low. Our bluetooth speakers can last for up to eight to ten hours on average with its built in 2000 mAh rechargeable lithium battery. Improved battery life version compared to other brand names like AYL brand. Awesome mini USB charging port, which can be charged by power bank anywhere in case of an emergency. • VERSATILE USES: Connects easily to iPhone, Galaxy, Smart Phones & MP3 Players. May also be used as TV speakers, computer speakers, a marine audio system or a car microphone. The most useful Holiday gift, Christmas gift or Birthday gift for that special someone. • WATER RESISTANT AND DUST PROOF: Perfect to take pool side for swimming, the shower, beach, watersports, camping, the gym, a rainy bike ride, or any outdoor activity. Best rated dustproof and waterproof technology, with seamless exterior treatment; however, it's still considered a water resistant, dustproof speaker. • LIGHTWEIGHT: Very portable, this speaker is easy to hold in your palm or will fit in your pocket. Unique fashion design that will attract everyone's attention. Take it with you wherever you go on the complimentary bicycle mount. (PLEASE NOTE THAT OUR OUTDOOR SPEAKER CONNECTS EASILY TO MOST BIKE MOUNT, BRACKETS NOT INCLUDED IN THIS PACKAGE). • AWESOME AUDIO SOUND: Boomphs speaker has a 5 Watt output amplifier, for stronger bass and higher quality sound. Includes a built in mic speakerphone to speak on the phone, and a long distance range of up to 33 feet. Ideal for large field areas where the sound can get lost easily. Once the speaker is on it will automatically go into pairing mode with flashing blue LED lights and a sound reminder.