Chip Jerry 6976D4, single label, Bluetooth 5.4 version MIC: -38db, silicon microphone Speaker 13mm, copper ring composite film Battery: earphones: 50 mAh/501015, charging case: standard 600 mAh/602248 Charging time: earphones 1.5 hours/charging case 2 hours Product size: earphones: 51*38*29mm/charging case: 90*60*37mm Product weight earphones: 18.5 g/charging case: 80 g Product color black, gray, far peak blue, green Remarks: The current charging case is standard: wireless charging, NTC, OVP (offline customers can choose to add or remove these functions,)
