Nacodex&reg; Original Xiaomi&reg; 2nd Generation Bluetooth 2.0 + EDR Wireless Speaker with NFC Aluminum Bk Easy to Use Retail Package Fast Shipping 1.NFC Connection Made Easy Simply tab your phone to the speaker, the bluetooth connection will be established automatically. 2.Wireless Connection With Bluetooth 2.0 technology, the speaker support various high quality music protocol with a working range up to 10 meter. 3.2000mAh Li-Poly Rechargeable Battery Compatible with REDMI / XIAOMI 2A battery, offer sufficient power to play music up to 11 hours. 4.All your phone calls can be done with the speaker wirelessly, free your hands and ears,All control buttons are hidden at the bottom of the speaker, simply press down the whole speaker to control. 5.The whole body is just beautiful, because of the CNC cutting, the same manufacturing process as Apple use on Macbook,Easy to identify the working status of your speaker. Blue LED will also blink during the music play. Nice!