Model: TG-TWS14-WT Chip: JL 6973 Wireless Version: V5.1 Talk Time: About 3 hours Listening Time: About 4.5 hours (80% volume) Headphone Charging Time: about 1.5 hours Compartment Charging Time: about 2 hours Storage Time: 4 months Headphone Battery: 30mAh Charging Box Battery: 300mAh protection board Colour: White