Hi-Fun hi-Call Leather Glove X-Large Bluetooth Headset - Retail Packaging, Black Battery lasts up to: standby 10 days- conversation 20 hours Vibration mode for incoming calls If supported by paired devices, the charge status of hi-Call battery is displayed on the screen of the connected device Comes in a variety of colors: black, grey, violet, red and black Battery lasts up to: standby 10 days- conversation 20 hours Vibration mode for incoming calls If supported by paired devices, the charge status of hi-Call battery is displayed on the screen of the connected device Comes in a variety of colors: black, grey, violet, red and black