KP-431830 3.7v 230mah Rechargeable Battery for Bluetooth Speaker/Hands Free, Bluetooth Headphone 230 mah

KP-431830 3.7v 230mah rechargeable battery for Bluetooth speaker/ handsfree, Bluetooth headphone Charging Volt 5DC Out volt 3.7v Dont over charge or over heat use charging protector or proper charger with auto cutoff when charging is full to charge battery, Please cross check battery size before buying it