Rated power: 10W Receiving distance: 10m Power supply: built-in lithium battery Battery capacity: 1200mah Bluetooth: V5.0 Connection: Bluetooth, TF card, AUX cable Music playback time: 3-5H Talk time: 12-15H Standby time: 85H Charging time: 3H Package Includes: 1 x D11 Bluetooth Speaker 1 x Charging Cable