VIOK Microfono Wireless Lavalier per iPhone iPad, Confezione da 2 Mini Microfoni
48 Hours Long Battery Life: The lavalier microphone for iphone has a built-in 70 mAh battery that can last up to 5 hours; the charging case with a built-in 600 mAh battery can provide up to 48 hours of battery life for the wireless microphone.