Product Name: U Flex Bluetooth Wireless in-Ear Flexible Headphones with Microphone Model NO.: 1163 Customized: Non-Customized Principle: Capacitive Structure: Closed Earpad Size: Small Wire Material: Wireless Color: Black Line-Control: Line-Control Compatible Brand: All Appearance: in-Ear Type: Wireless Trademark: FreeShare Transport Package: Retail Package Specification: 20*8*20cm Origin: Shenzhen Product Description U Flex Bluetooth Wireless In-ear Flexible Headphones with MicrophoneFlexible and foldable design. 8 hours battery lifeClear sound when taking phone calls or listening to musicConnectivity - 3.5 mm headphone connectorFeatures bluetooth version 4.2. Bluetooth range is 0.39 inchTroubleshoot-sound echoes during a call, adjust the volume by pressing the Volume button or move to another area. Drops in volume or noise depending on the connected device volume. To avoid this, appropriately adjust the connected device's soundPackagingRetail Package / CartonServices Offered:OEM Service OfferedDesign Service OfferedBuyer Label OfferedAmazon FbaservicesWe provide delivery of Amazon FBA warehouse services,UPC codeFreeprinting & make labeling.FAQQ1 Can we get a sample?A1 Yes. We offer the sample., but the delivery fee has to be paid by customer.Q2 Can you provide the packing box with our design?A2 If you order above 1000 pieces, it is absolutely that we can provide you the product with your design. By the way, you should provide us the necessary information.Q3 I prefer to shipping the products by DHL express will you do that for me?A3 Yes, we will shipping the products as your reqeust. Depending on the available courier on your country.Q4 Is there cheap shipping cost to import to our country?A4 For small order,express will be best.And for bulk order,sea ship way is best but take much time.Q5 How should I pay?A5 You can pay via T/T at sight, Alipay, Western Union, If you prefer other payment terms, please contact us freely.