Description 100% brand new and of high quality Compact size and lightweight, easy for carry. Using latest 4.1+EDR Bluetooth technology, superior signal transmission, ultra-low power consumption Support all Bluetooth devices, support automatic answering function, no need to answer the phone manually when calling, safe driving Large button design, the best choice for male riders. Built-in high-quality anti-interference microphone, external windproof sponge, can effectively realize hands-free answering, hang up the phone, high sound fidelity Support up and down music, volume sound addition and subtraction, playback pause, automatic callback and other functions, easy to operate, easy to use Built-in high-quality headphone speaker, strong bass, clear mid-range, high-pitched sound. Built-in mini USB charging interface for quick and easy charging Built-in large capacity lithium battery, multi circuit protection, long standby and working time. pecifications: Type: normal type, customized type Color: black Size: about 215*44*15mm Weight: about 160g Bluetooth: 4.1+EDR Transmission range: about 10m Frequency range: 2.4026-2.480GHz MIC range: ≤1m SNR: ＞80dB Charging voltage: 5V Battery: built-in 3.7V 150mA lithium battery Charging time: about 2.5h Standby time: about 60h Continuous working time: about 6h Package include:1PCS（Not including helmets） EU Responsible Persons information: Name: PI NETWORK SARL Address:38 rue Dunois 75647 Paris CEDEX 13,75013,FR E-mail:friedlichrichter@outlook.com This merchant is committed to only offering products that comply with the General Product Safety Regulation.