Bluetooth 5.4 chip: JL JL7003F4 Battery capacity: 250mAh; Charging time: 2 hours Use time: 28 hours Standby time: 180 hours Size: 195*185*84mm Weight: 198g Support Bluetooth, AUX and other modes Support Chinese and English prompt sounds: double click the power button when not paired
Bluetooth 5.3; Chip: JLAC7003F4Battery capacity: 400mAh; Charging time: 2 hoursUse time: 46 hours; Standby time: 200 hoursSize: 190*169*80mm; Weight: 163gSupport Bluetooth, AUX and other modesPrompt tone in English and Chinese is supported: Double click the power button in unpaired state.