Scuba gearTested buying guides
SnorkelingSets, masks, fins
DestinationsWhere to dive
LiveaboardsBoats by region
ArticlesReports and features
NewsGear, travel, oceanBuying guides, tested by us
All reviews
Masks
Dive ComputersSmartwatch Dive ComputersDive ComputersBeginner Dive ComputersAir-Integrated Dive Computers
Underwater Cameras
Wetsuits
BCDs & Wings
Fins
Dive Watches
Bags
Dive Lights
Underwater Scooters
Scuba Regulators
Spearguns
Dive Knives
Dive Boots
Drysuits
Rash Guards
Underwater Metal Detectors
Scuba Tanks
Reef-Safe SunscreensWhere to dive, by country
All destinations
Caribbean
Asia
Red Sea & Middle East
Indian Ocean
Central America
United States
Europe & Mediterranean
South Pacific
Mexico
South America
Boats and itineraries
All liveaboards
South-East Asia
Pacific
Indian Ocean
Red Sea & Middle East
South America
Caribbean
Central America
Trip reports and features
All articles
Anthony’s Key Resort sits on its own small key just off Roatan, in Sandy Bay in the Bay Islands of…
Gear, travel and the ocean
All news
Garmin has introduced the MARQ Diver as part of its third-generation MARQ watch collection, announced on October 13, 2026. The…
2 retailers compared · Checked 7 hours ago
Scuba.com is a specialist dive retailer, and multiple buyers describe responsive, practical help when an order or product issue needs attention. Several also report orders arriving quickly or in time for when they were needed.
Several buyers describe responsive replies and practical help when an order or product issue needed attention. They describe support that answers quickly and stays helpful.
Multiple buyers also report orders arriving quickly or in time for when they were needed. Delivery timing is the positive point they describe.
Some buyers report slower replies or more follow-up than expected when they needed help after ordering. Others describe delivery problems after ordering. Keep the order confirmation and tracking details until the item actually arrives.
Checkout on scuba.com is served over a secure SSL (https) connection.
Amazon has a documented Prime delivery program that covers millions of items, and that is the most concrete order-related support behind buying here.
Some customers report slower replies or needing more follow-up than expected when they asked for help after ordering. If an order needs post-purchase support, that part of the experience is not always smooth.
Some customers also report delivery problems after ordering. That keeps follow-up and delivery as the areas to watch if you place the order here.
Checkout on amazon.com is served over a secure SSL (https) connection.
Asiwo U1
| Weight | 13.2 pounds (6 kg) |
|---|---|
| Number of speeds/gears | 3 |
| Advertised top speed | 2.7 meters/second |
| Our top speed | 1.3 m/s |
| Torben | 1.14 m/s |
| Carl | 1.3 m/s |
| Scuba | 0.81 m/s |
| Advertised battery time | 80 minutes |
| Our battery time at full speed | 78 minutes |
| Carry-on safe | Yes |
2 retailers compared · Checked 7 hours ago
Scuba.com is a specialist dive retailer, and multiple buyers describe responsive, practical help when an order or product issue needs attention. Several also report orders arriving quickly or in time for when they were needed.
Several buyers describe responsive replies and practical help when an order or product issue needed attention. They describe support that answers quickly and stays helpful.
Multiple buyers also report orders arriving quickly or in time for when they were needed. Delivery timing is the positive point they describe.
Some buyers report slower replies or more follow-up than expected when they needed help after ordering. Others describe delivery problems after ordering. Keep the order confirmation and tracking details until the item actually arrives.
Checkout on scuba.com is served over a secure SSL (https) connection.
Amazon has a documented Prime delivery program that covers millions of items, and that is the most concrete order-related support behind buying here.
Some customers report slower replies or needing more follow-up than expected when they asked for help after ordering. If an order needs post-purchase support, that part of the experience is not always smooth.
Some customers also report delivery problems after ordering. That keeps follow-up and delivery as the areas to watch if you place the order here.
Checkout on amazon.com is served over a secure SSL (https) connection.
Most read this week:
