Charge Qi Enabled Devices Wirelessly By Placing Compatible Device On Top Of Power Bank. Features Near Field Communication. NFC is A Technology That Enables Bluetooth Devices To Establish Wireless Communication with Each Other By Simply Touching The Devices Together. 4000 mAh Lithium Ion Grade A Non-Recycled Battery. Features A Micro USB Input (Cord Included). Output: 5 Volts/0.7 Amp. Wireless Speaker Featuring High Definition Bluetooth® 3.0 Technology. Simply Pair With Your Device To Enjoy Dynamic Stereo Sound. Features High Definition Sound With A Built-In Microphone For Easy Hands-Free Calling. Perfect For Your Home Or Office Activities. Digital Display With 24 Hour Clock Settings. Melody Alarm With Adjustable Volume And Snooze Function. Use Micro SD Slot For A Preset Playlist. Pairs From Up To 30 Feet Away. Charges Most Phones, MP3 Players And More!. The Bluetooth® word mark and logos are registered trademarks owned by the bluetooth SIG, Inc. and any use of such marks by Hit Promotional Products, Inc. is under license. Other trademarks and trade names are those of their respective owners.