1. Brief introduction to Product's The high science and technology baseding on Bluetooth technology of the special designs for driving a car personage that Bluetooth Headset is one money of 1100 degrees does not have the thread earphone . Distinct easy and smooth speech sounds is by you if washing hair the spring breeze to the outer mould of its elegant fashion and well-known brand of the world altogether dance : The ear side is swum away by the fine volume of 15 gram , as if the empty It lets you liberate the both hands , drives safely , and far away from disobeing the compasses Its only minute export merit of 0.001 tile can make you thoroughly break away from the forceful electric power of hand machine flows the radiation to human body encroaching on of cerebrum 2. the characteristic effective range communicates by telephone to 10 meters time reaches 4.0 Reaches that weight of the 200 hours only simple 15 grams switch is set up and the switch indicator can repeatedly be charged the time hour waited for opportunity , and has the low quantity of electricity to indicate 3.Product's specifications standard Bluetooth V1.2's effective range 10 meters of audio frequency Xie Xidu 15bits , S/N 60 ＞s decibel Frequency 2.4 GHZ_2.4835GHZ ISM Band's size L63mm W8.5mm Does the H10mm link Point-to-point weight Do 15 ( Han's battery ) communicate by telephone time 4.0 hour waits for opportunity time Output power of 400 hours 0dbm (CLASS 11 ) the merit rate 17mA's safety when 500uA, communicates by telephone when waiting for opportunity 128 Is the battery encrypted in the bit unit Is can repeatedly be charged , lithium battery 120maH charged time Is the 2-3 hour charged 5V DC 100-240V AC's adapter The use temperature Is - 10-55's degree preserved the temperature Degree attestation of - 20-60's CE FCC's earphone password 0000