PRODUCT DESCRIPTION:��COLORS:black， red， blue， green��PRODUCT FEATURES:01. minimum rated talk time: 10 hours02. minimum rated standby time: 90 hours03. battery type: polymer��ABOUT ME:��replacable cover， the silicon shell can be taken off and changed it to other colors you want for.��voice cancellation technology， allows you to make a clear call.��powerful 3600mah built-in polymer lithium battery， makes it availible up to 10 hours， with a standard usb jack this can be used as a power bank， but you can still enjoy your music while charging your electronics.powerful 3600mah built-in polymer lithium battery， makes it availible up to 10 hours， with a standard usb jack this can be used as a power bank， but you can still enjoy your music while charging your electronics.��waterproof， dustproof， anti-scratch， shockproof， high temperature resistant speaker， which makes it perfect for any outdoor activities and shower.�� NFC technology (near field communication) for easy and instantpairing， makes you life more intelligent， convenient and comfortable.��NOTE 1: DO NOT SOAK IN WATER! IT ONLY SUPPORT WATER MIST-PROOF��NOTE 2: NFC NEED YOUR PHONE NFC FUNCTION IS AVAILABLE��ABOUT STORE: we are a professional electronic bluetooth speakers， bluetooth headset company. we have professional R&D team， we have own factory， own warehourse， own sales team and customer service. buy from us that choose the professional team to service for you.��PACKAGE INCLUDE:1 x bluetooth speaker1 x usb charge cable1 x aux in cable1 x user's manual��CHARGING ME:the led will be red when charing. once the battery is fully charged，the led turns blue. it takes 3-4 hours to fully charge me.��SHIPPING:ship your order within 24 hours once your payment is confirmed.��DELIVERY:for the united states， it will take around 10-15 days to arrive after shipping， it depend your shipping address and customs clearance， it will take more days to arrive europe countries.��DIMENSIONS:�� size (LWH): 6.69 inches， 2.6 inches， 2.6 inches�� weight: 1.1 pounds��PAIRING ME:��The rechargeable， high capacity 4400mAh polymer Li-ion battery allows for an extended power bank that will charge your phone or other device. Prior to use the speaker， it is recommended to fully charge.��NFC technology (near field communication) allows easier Bluetooth operation. One-touch pairing by simply tapping your NFC-enabled bluetooth smart device on the speaker， bring more intelligent， convenient， comfortable life.��Bluetooth 4.0 and CSR chipset connects faster，��SUBSEQUENT PAIRING FOR ME:��active bluetooth function of your mobile phone.��select "more" in the "new pairing devices" and seach for "PT-390A" model. �� press in your mobile phone to pairing it (enter pin code 0000， it is optional). NOTE 1: MANUAL OPERATION IS NEEDED FOR SOME DEVICES THOUGH AFTER PAIRING COMPLETED. NOTE 2: IT IS NOT NECESSARY TO ENTER THE CODE IF YOUR MOBILE PHONE BLUETOOTH VERSION IS 2.1 OR HIGHER.��ANSWER A CALLwhen a call is coming，you will hear the caller id broadcast with ring tone， press the MFB to answer the call��REJECT A CALL when a call is coming， press and hold the MFB for 2 seconds to reject it.��TRANSFER A CALLduring the call， press and hold the mfb for 2 seconds with "DU" tone to transfer the call to your mobile phone.��ENDING A CALLduring the talk， press the MFB to end the call and you can hear"DU" tone.��PREVIOUS TRACKIn music status， short press the key to play the previous song.��NEXT TRACKin music status， short press to play the next song��PLAY/PAUSEin music status， press the MFB to pause. repeat to return to music.��NFC FUNCTIONin on status， put your nfc smartphone on the speaker for nfc connection.��POWER BANKin on or off status， plug and play， power output using the usb port， plug the data cable to achieve portable， ready to charge.