Buy the SoundLink Flex II if you want fuller sound, longer battery life and a speaker that floats. Buy the SoundLink Micro if size and price matter most. As of November 8, 2026, the Micro is $127.99 at Staples and the Flex II is $159.00 at Walmart, a $31 gap.
Today the Bose SoundLink Micro costs $69.01 less at its best price.
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Choose the SoundLink Micro if you want the smallest, lightest Bose speaker and a lower price.
Bose SoundLink Flex II Wireless Waterproof Portable Bluetooth Speaker
Choose the SoundLink Flex II if you want bigger sound, up to 12 hours of battery and a speaker rated to float.
| Bose SoundLink Micro | Bose SoundLink Flex II | |
|---|---|---|
| Weight | 0.725 lb | 1.29 lb (590 g) |
| Battery life | Not stated in the specs | Up to 12 hours |
| Water and dust rating | Waterproof, no IP rating given | IP67, dustproof and floats |
| Bluetooth version | Bluetooth, version not stated | Bluetooth 5.3, up to 30 ft |
| App EQ | Not listed | Adjustable EQ in the Bose app |
| Price, November 8, 2026 | $127.99 at Staples | $159.00 at Walmart |
| Ratings | 4.8 from 844 ratings | 4.7 from 5,288 ratings |
| Carry loop | None listed | Utility loop for clipping to a pack |
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| Spec | Bose SoundLink Micro | Bose SoundLink Flex II |
|---|---|---|
| Outdoor | Yes | Yes |
| Bluetooth | Yes | Yes |
| Connectivity Technology | Bluetooth, Wireless | Bluetooth |
| Ports And Interfaces | USB-C | USB-C |
| Wi-Fi | No | Yes |
| Assistant Support | Google Fast Pair | Google Assistant, Alexa, Siri |
| Smart Functions | Multipoint pairing (for two devices) | Voice control |
| Speaker Placement | Portable | Portable |
| Design Highlights | Portable | Portable, Waterproof |
| Material | Silicone, Fabric, Plastic (PC-ABS), Steel | Silicone, Fabric, Plastic |
| Style | Rectangular | Rectangular |
| Driver Size | 5W | 5 Inches (subwoofer) |
| Spec | Bose SoundLink Micro | Bose SoundLink Flex II |
|---|---|---|
| Driver Type | Passive radiators, Single driver | Full Range Speakers |
| Number Of Drivers | 2 (passive radiators) | 1 |
| Nominal Output Power | 5 W | 5 W (RMS Power) |
| Weight | 0.725 lb | 590 g |
| Depth | 4.094 in | 5.2 cm |
| actual_color | NONE | Sunset Peach |
| color | Other | Yellow |
| size | 3.87" x 3.87" x 1.37" | 1.29 lbs |
| Frequency Response | 91.1 Hz (Low-Frequency Extension) | 20 KHz |
| Max Output Power |
Rated 4.8 out of 5 from 844 ratings, owners largely praise the SoundLink Micro for its size, build and sound for a speaker this small. Complaints center on limited bass and volume.
Rated 4.7 out of 5 from 5,288 ratings, the Flex II is well liked for its sound and toughness. Owners treat it as a take-anywhere speaker and rarely fault the audio for its size.
| 5 Watts |
| 5 Watts |
| Max Wattage | 10 watts | 5 W |
|---|
| Portable | Yes | Yes |
|---|
| Bluetooth Version | 5.0 | 5.3 |
|---|
| IP-Class | IP67 | IP67 |
|---|
| Features | Water Resistant | Water Resistant |
|---|
| Amplifier Power | 200W RMS | — |
|---|
| Audio Configuration | 1 + Subwoofer | — |
|---|
| Audio Highlights | Audio Amplifier | — |
|---|
| Audio Channels | Mono | — |
|---|
| Driver Configuration | Front-firing | — |
|---|
| Output Level (SPL) | DSP reduces bass a bit to prevent distortion | — |
|---|
| Amplifier Type | Integrated, Active | — |
|---|
| App Control | Yes | — |
|---|
| Battery Life (h) | 12.0 | — |
|---|
| Nominal Impedance | — | 1 Ohms |
|---|
| Height | — | 9 cm |
|---|
| Width | — | 20.1 cm |
|---|
| Power Source | — | Rechargeable Battery |
|---|
