Specifications Chip: JL6963B Material: ABS Bluetooth Version: V5.1 Battery: 200mAh Play time: 3-4 hours Talk time: 3-4 hours Charging time: 2-3 hours Voice chat: Supported Function: Bluetooth + Micro SD + AUX + FM Product size: 150*195*68mm Net weight: 150g Wireless working range: 10M Speaker: 40mm USB Port: Type-C