Specification:

• Type: USB 9V 6800mah rechargeable battery
• Charging method: USB Cable with connector USB Type C
• Material: lithium battery
• Standard voltage: 9V
• Built-in battery capacity: 6800mAh
• Size: 46x26x16mm
• Product weight: about 30g
• Charging time: about 2 hours

Notice : Because the battery uses a boost circuit, it will cause interference in the audio equipment, and there will be weak noise and current sound.