About this item \nBluetooth 5.3; Chip: JL AC7003 \nBattery capacity: 200mAh; Charging time: about 2 hours \nUse time: 30 hours; Standby time: 350 hours \nEnglish and Chinese prompt tone: double click the multi-function key in the unpaired state. \nSize: total length 90cm; Weight: 30g
