18650 7.4V 2000mAh Customized Rechargeable Wireless Microphone Mini Speaker Battery
China 18650 7.4V 2000mAh Customized Rechargeable Wireless Microphone Mini Speaker Battery, Find details about China Li-ion Battery, Battery Pack from 18650 7.4V 2000mAh Customized Rechargeable Wireless Microphone Mini Speaker Battery