Bluetooth Speaker, Aidbucks BS-M1 NFC Portable Wireless Stereo Rechargeable Bluetooth Speakers with Built in Mic for iPhone, iPad, and Andriod devices VARIOUS CONNECTION MODES: Using the advanced Bluetooth 4.1 technology, you can connect your Bluetooth-enabled devices from up to 33 feet (10meters) away; The NFC near field communication technology makes your speaker connect to your smartphone or tablet instantly; You can also connect your devices using the 3.5mm AUX cable ( Provided ) directly. More choices, more convenience, and more pleasure! CLEAR & STEREO SOUND: Hybrid horn + built-in bass boost diaphragm design provides you a dynamic and incredible sound quality. Whether you're partying, working out, or just lounging around the house, enjoy full-range stereo sound with impressive volume. SMART & COMPACT DESIGN: Aluminum enclosure, Stylish, compact, and extremely portable, you can use it on the indoor and outdoor activities like the bedroom, backyard, kitchen, poolside, beach, camping, BBQ's and more. EXCELLENT BATTERY PERFORMANCE: Built-in rechargeable lithium ion battery provides long-lasting, quick charging power,supports approximately 6-8 hours of music and 20 days standby time. Immersed in the music, and make it last! MULTIPLE USES SUPPORTED: Built-in microphone enables you enjoy hands free calls and chats with chinese-english voice prompt.With FM radio function, you can capture the voice in the air! Universal compatible for your iPhone, iPad, Samsung, Tablet, Laptop and many other smart devices with Bluetooth functionality.