GSWORDY Wireless Bluetooth Speaker Portable Waterproof Outdoor with Rechargeable Battery and Handsfree Speakerphone(Black) High Quality Crystal clear sound distinct mids and highs from our two precision acoustic drivers delivering 10 Watts of excellent stereo sound and enhanced bass from our proprietary passive subwoofer design. Bluetooth 4.0 wireless connects faster, more stable, connection range up to 10 meters,compatible with most Bluetooth-enabled devices, including: iPhone, iPad, iPod, Samsung, Kindle, Smartphones, Tablets; play audio from laptops, PCs, and non-Bluetooth devices using included 3.5mm audio cable/AUX-IN jack. Built-in Mic for handsfree speakerphone phone calls from smartphones and iPhones, Easy to pair - No code/pin needed. Built-in 7000 mAh lithium-ion rechargeable battery for up to 20 hours playtime. Also can use it as power bank to recharge your other devices. Water-proof and sand-proof design, easy to carry and fit in your backpack, baggage, perfect choice for travel hiking outdoor activity.