Description‎:‎This innovative KR5100 speaker built‎-in NFC near field communication technology‎,‎ quickly matched with Bluetooth device with a soft touch‎,‎ more intelligent and more convenient for life‎.‎ Near Field Communication ‎(‎NFC‎)‎ is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into proximity‎,‎ usually no more than a few inches‎.‎ NFC offers a low‎-speed connection with extremely simple setup‎,‎ and can be used to bootstrap more capable wireless connections‎.‎ Android Beam and iPhone 6 uses NFC to enable Bluetooth on both devices‎,‎ instantly pair them‎,‎ and disable Bluetooth automatically on both devices once the desired task has completed‎.‎ This only works between Android devices version Jelly Bean and above and iPhone 6‎.‎ Main Features‎:‎ Newly light sensor touch buttonBuilt‎-in NFC near field communication technology‎,‎ quickly matched with Bluetooth device with a soft touch‎,‎ more intelligent and more convenient for lifeSupports MP3 format music‎,‎ with memory function‎,‎ auto searching and memory stationsUSB disk and TF card plug and play‎,‎ play MP3 format music‎,‎ with memory function With FM radio frequency modulation function and can automatically search and memory channelExternal high capacity rechargeable 5C battery3.5 audio output / input‎,‎ can also be used for computer‎,‎ MP3 / MP4 / mobile phone‎,‎ etc‎.‎Long press last / next button to fast forward and rewind the songsWith LED display screen Model‎:‎ KR‎-5100 Design‎:‎ Stylish‎,‎ Portable‎,‎ Cool Supports‎:‎ Volume Control‎,‎ TF Card Music Playing‎,‎ Loudspeaker‎,‎ NFC‎,‎ FM Functions‎:‎ AUX Function‎,‎ Songs Track‎,‎ Stereo Compatible With‎:‎ Mobile Phone‎,‎ Tablet PC‎,‎ PC‎,‎ TF/Micro SD Card‎,‎ iPod‎,‎ MP3‎,‎ iPhone‎,‎ MP4‎,‎ PSP‎,‎ MP5‎,‎ Laptop Connection‎:‎ Wired Interface‎:‎ Mini USB‎,‎ TF Card Slot‎,‎ 3.5mm Audio‎,‎ USB2.0 Audio Source‎:‎ TF/Micro SD Card‎,‎ Electronic Products with 3.5mm Plug‎,‎ Electronic Products with USB port Color‎:‎ Blue‎,‎ Black‎,‎ White Speaker Impedance‎:‎ 4 ohm Power Output‎:‎ 5W Freq‎:‎ 50Hz‎-18KHz S/N‎:‎ 90dB Support O‎.‎S‎:‎ Windows 2000‎,‎ Windows XP‎,‎ Windows 7‎,‎ Windows Vista‎,‎ Mac OS Power Source‎:‎ USB‎,‎ Battery Charging Voltage‎:‎ DC 5V Input‎:‎ 3.7V Battery Capacity‎:‎ 850mAh Package weight‎:‎ 0.451 kg Product Size ‎(‎L x W x H‎)‎‎:‎ 9.4 x 8.0 x 8.0 cm / 3.7 x 3.1 x 3.1 inches Package Size ‎(‎L x W x H‎)‎‎:‎ 13.0 x 9.0 x 8.5 cm Package Contents‎:‎ 1 x Speaker‎,‎ 1 x USB Cable‎,‎ 1 x 3.5mm Audio Cable‎,‎ 1 x Battery‎,‎ 1 x Anti‎-slip Mat‎,‎ 1 x Battery Cover‎,‎ 1 x User Manual