570mAh 3.7V 721641 Bluetooth Earphone Charging Box Battery For JBL

570mAh 3.7V battery designed for JBL Bluetooth earphones. It serves as a rechargeable power source for the earphone charging box.

• Capacity: 570mAh
• Voltage: 3.7V
• Compatibility: JBL Bluetooth earphones
• Rechargeable battery
• Intended for everyday use
• Warning: Do not disassemble, crush, short circuit, or dispose of in fire or water
• Store in a dry and cool place if not in use
• Charge every three months if not used
• Professional installation recommended
• Checked for good condition before shipping