Mini Bluetooth 4.1 Stereo Headset In-Ear Wireless Earphone Earbud Headphone Features: Easy Magnetic Charging: With a magnet built inside the charger, the earbud will stick to the charging prongs - no plugging/unplugging needed. Make charging just a bit more convinient, no more fiddling around with cables or cords. Compact & Weight: Weighs 4.5g. The smallest mini headset built-in mic allows you to any incoming smartphone calls at the push of a button, even while listening to music. New features include auto music stop when answering incoming calls. About pairing: Pairing with Bluetooth earbud: long press the multi-function buttonuntil the led flashing in red and blue alternately, then turn on the Bluetooth on your device and select“Music Genie”on your list, there be reminding voice saying“connected”,then you could enjoy music or making phones calls, it supports reporting incoming calls. Charging: There is reminding sound when battery is low, and the led flash in red at the same. When charge, the led be in red, and turns in biue when fuiiy charged. Note: the earphone be forced to shut down when charging even if they are power ON before charging. Long Play Time: This wireless earpiece with built-in rechargeable lithium-poly 40mAh battery, last for 6 hours of audio , 6 hours talk, 1-2 hours charging. (Only earpiece) Product Description: Bluetooth version: V4.1+EDR（both sides）, low consumption Bluetooth Frequency: 2.4GHz Bluetooth Range: 10 meters with no obstacles Bluetooth capacity: 40mAh rechargeable li- battery 4-5hours Talk 5-6hours Standby earbud mode:120 hours Include： 1X Bluetooth Headphones 1X charging