Bluetooth version: 5.0 Transmission distance: 10 meters Talk time: 4-8 hours Cumulative play time: 120 hours Charging time: 30 minutes Frequency range: 2402MHZ~ 2480MHZ Function: Bluetooth music playback, Bluetooth call (answer/hang up/reject), voice playback Applicable products: smart matching mobile phones, tablet computers (compatible with various systems such as Android and Apple) Headphone charging: Put the earphones into the charging compartment and cover the lid, and the earphones will be charged automatically. Charging method: the headset lights up red when charging, and turns off when fully charged.
