Rechargeable Li Ion battery pack with charge voltage capacity of 5.0V. Package includes USB cable and battery pack. Compatible with the 3M Worktunes Wireless Hearing Protector with Bluetooth Technology (Model #: 90542), and the Peltor Sport Tactical 300 and Tactical 500 Hearing protectors (Model #: TAC300, TAC500).

• 3.7V 1000mAH 3.7Wh
• Charge Voltage: 5.0V
• Intended to power certain 3M hearing protectors
• Compatible with the 3M WorkTunes Wireless Hearing Protector with Bluetooth Technology (Model #90542)
• Compatible with the Peltor Sport Tactical 300 and Tactical 500 Hearing Protectors (Model #: TAC300, TAC500)
• Includes USB charging cable
• Charge before use
• Read User Instructions and Safety Information prior to use