Specifications Bluetooth Chipset: WT200S Bluetooth Version: V4.2 Transmission Distance: 10m Battery Capacity: about 85mAh Talk Time: about 4.5 hours Music Time: about 5 hours Standby Time: about 105 hours Weight: about 17g Anti-dropping, enjoying wireless sporting S701 adjustable ear-hanging sports Bluetooth headset 1.Adjustable Ear Hooks, Stable Wearing 2.Light And Comfortable For Long Time Wearing 3.Stereo Enjoyment, Pure Sound Quality 4.Double Control Boxes, Balance Without Sliding. 5.Stable Can With Clear Voice 6.Light Cable Control, For Better Convenience 7.Waterproof And Sweat Proof, Challenging Sweating FAQ 1, Are you factory or trade company? --We are professional bluetooth products factory! 2, How can i get your price list? --Send an inquiry to us and tell us u need our price list, our sales will reply u within 12 hours with pricelist. 3, Can I get an sample to check quality before mass order? --Yes, you can. Welcome to place sample order to check our quality. I do believe our high quality products will bring more orders for you from your clients! 4, Any guarantee for your products? --Our company’s culture is”Quality is our culture!” All of our products with 12 months FREE GUARANTEE, never need to worry about the after-sale service, we will always be here to support your business! 5, Any certifications for your products? --Our Bluetooth products can pass CE, ROHS, FCC etc certifications, so they can be sold to worldwide safely! 6, How about the delivery time? --Usually for sample order 1-5days,for mass order 5-25days 7, Do you support OEM/ODM service? --Yes, we do support, we have experienced R&D team, so welcome to place OEM/ODM orders to us. 8, At last, about the payment terms, any convenient and safe way for our buyers? --We have Paypal, Alibaba pay, T/T,WU payment terms options, do business with us, your money will be in safe, your business will be in safe!Bluetooth Headsets manufacturers website:http://www.wslnbf.com/bluetooth-headsets/