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Sangean MMR-99 vs Midland ER310PRO

The Sangean MMR-99 and Midland ER310PRO both offer AM/FM with NOAA alerts and Bluetooth. The Sangean MMR-99 brings IP55 weather protection while the Midland ER310PRO brings a 10,000 mAh battery.

Updated October 2, 2026

Sangean MMR-99 by Sangean

Sangean MMR-99

8.3/10

IP55 rated crank and solar NOAA alert radio with Bluetooth streaming and a 1.5W speaker.

Amazon.com
Full specs, pros and cons
Our pick
Midland ER310PRO by Midland

Midland ER310PRO

8.1/10

Hand crank and solar NOAA alert radio with a 10,000 mAh battery and Bluetooth streaming.

$109.99 at MidlandSearch Amazon.com
Full specs, pros and cons

The short answer

The Midland ER310PRO fits most buyers. Its 10,000 mAh battery holds nearly four times the 2600 mAh of the Sangean MMR-99 and that counts in a long outage. The Sangean MMR-99 is the one with an IP55 rating and RDS. Choose it if the radio goes outdoors or to a campsite.

Choose the Sangean MMR-99 if

  • you want IP55 protection against dust and rain
  • you want 45 presets and RDS station names
  • you want an aux input and a 1.5 watt speaker

Choose the Midland ER310PRO if

  • you want the 10,000 mAh battery for a long outage
  • you want USB-C with Power Delivery

Specs side by side

Sangean MMR-99Midland ER310PRO
Shortlist score8.38.1
Price in the maker's US storesold via retailers$109.99
BandsAM/FM-RDS(RBDS)/WX (7 NOAA channels)AM/FM/NOAA (7 NOAA/NWS weather alert channels)
NOAA alertsounds an alarm for a warningYesYes
Power sourcesHand crank, solar panel, USB-C DC-in, 18650 Li-ionHand crank, solar panel, USB-C, rechargeable Li-ion
Battery2,600 mAh10,000 mAh
Charges a phoneYesYes
Water resistanceIP55-
Weight31.7 oz (899 g)-
BluetoothYesYes
SOS alarmEmergency sirenSOS Morse code flashlight beacon with siren
Presets20 AM / 20 FM / 5 WX-
Size7.98 x 4.48 x 3.52 in (202.8 x 113.7 x 89.4 mm)-
Alert types-60+ alerts (product page)

Prices in the makers' own US stores, checked October 2, 2026. Amazon links carry no price.

Sangean MMR-99

Pros

  • IP55 protection with reinforced corners handles dust and water.
  • A 1.5W speaker with Bluetooth and AUX-in makes it a daily radio too.
  • Presets number 45 across AM, FM and weather.

Cons

  • At 31.7 oz it is among the heavier radios on this list.
  • The USB-A output is rated at 5V 1A against 2A or more on some other radios here.

Midland ER310PRO

Pros

  • The 10,000 mAh battery is rated for 200+ hours of radio use.
  • A bidirectional USB-C Power Delivery port charges the radio and fast-charges a phone.
  • Bluetooth streaming sits next to AM/FM and 7 NOAA weather alert channels.

Cons

  • No AA battery backup is listed for when the pack runs flat.
  • The product page and the owner's manual disagree on whether a USB-A output is included.

Frequently asked questions

Is the Sangean MMR-99 waterproof?

Sangean rates it IP55 which means protection against dust and water jets from any direction. It is not rated for submersion. The housing has reinforced corners. No water rating is listed for the Midland ER310PRO. For a radio that may sit in rain the Sangean MMR-99 is the clear choice.

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