503482 Navigator speaker 2000mAh 3.7v battery ลำโพงบลูทูธ mifa

Battery with protection board (protection against overcharge/overdischarge/short circuit/overcurrent etc.) Battery model: polymer lithium battery/rechargeable battery Voltage: Nominal voltage 3.7v Fully charged voltage: 4.2v Capacity: 2000mAh Battery size: 5.0*34*82mm สามารถดัดแปลงใช้กับลำโพงบลูทูธ mifa7 ได้