Bose SoundLink Flex Bluetooth Speaker (2nd Gen)
🔥 #70 in Portable Bluetooth Speakers · New Best durable, waterproof Bluetooth speaker for outdoor adventures
Bose SoundLink Flex (2nd Gen) Portable Bluetooth Speaker
Bose 3.6
#70
in Portable Bluetooth Speakers
$99 →
As of Jul 13, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
Drivers Output PowerCustom transducer + dual passive radiators, ~360° sound
Frequency Response50 Hz–20 kHz
BatteryUp to 12 hours
The Bose SoundLink Flex (2nd Gen) is a premium portable Bluetooth speaker built for outdoor adventure. It pairs dual passive radiators with a custom transducer for balanced, room-filling sound—punchy mids, controlled bass, and crisp highs without distortion at moderate volumes.
Key specs:
- Power & loudness: delivers 360° sound, adequate for small-to-medium rooms and patios
- Battery life: rated 12 hours on a single charge
- Water & dust: IP67-rated—fully submersible to 1 meter for 30 minutes; dust-sealed
- Connectivity: Bluetooth 5.3 with ~30 ft range; no multi-speaker party pairing (unlike JBL Flip)
- Build: rubberized, drop-tested aluminum frame with integrated carrying loop
- Portability: 1.3 lbs, fits a backpack or daypack
- Charging: USB-C, ~4 hours full charge
Who it's for: backcountry hikers, beach-goers, and brand-loyal Bose fans willing to pay for premium durability and balanced audio. The Citrus Yellow limited edition adds visual flair.
02 / Signals
Why it's hot
Premium rugged Bluetooth speaker—12-hour battery, true IP67 waterproof, balanced sound.
- Value for money 77
- Review rating & velocity 81
- Community sentiment 84
- Brand reputation 100
- Search heat 88
- Est. return & defect rate 86
03 / Verdict
Pros & cons
Pros
- True IP67 waterproof & dustproof rating
- 12-hour battery life
- Drop-tested rugged design with carrying loop
- Balanced, distortion-free sound at moderate volume
- Trusted Bose audio engineering
- USB-C charging
- Integrated strap for portability
Cons
- No stereo or multi-speaker pairing mode
- Bass can overpower at high volumes
- Higher price than mid-tier rivals (Soundcore, JBL Flip)
- App required for firmware updates only—no app-based EQ
- Modest max loudness for outdoor large gatherings
Drivers Output PowerCustom transducer + dual passive radiators, ~360° sound
Frequency Response50 Hz–20 kHz
BatteryUp to 12 hours
ChargingUSB-C, ~4 hours
Water Dust RatingIP67 (submersible 1 m, 30 min; dustproof)
Bluetooth Version5.3
Wireless Range~30 feet
Stereo Multi PairingSingle speaker only (no stereo pair or party mode)
Aux MicNone
Dimensions7.9 × 3.2 × 3.2 inches
Weight1.3 lbs (590g)
ColorsCitrus Yellow (limited edition), Black, Stone Blue, Coral Red
05 / Your take
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05 / Compare
Compare the best alternative
One useful head-to-head in Portable Bluetooth Speakers, with the rows most likely to separate the contenders.
Open full comparison → 
JBL Flip 5 Portable Bluetooth Speaker, Red
Sound
Balanced, warm, controlled bass Best sound Balanced, punchy, warm midrange
Portability
Lightweight, compact, carry strap Pocketable, 285g, carry loop
Durability
Aluminum + rubber, proven reliability Proven rugged build, minimal defect rate
06 / Rivals
Compare with
07 / Variations
Other colors
Top pick
Bose SoundLink Flex Bluetooth Speaker (2nd Gen)
Fog Grey
#20 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Bluetooth Speaker
Sandstone
#21 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Bluetooth Speaker
Black
#32 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Bluetooth Speaker – Petal Pink
Petal Pink
#36 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Bluetooth Speaker – Sunset Peach
Sunset Peach
#42 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Bluetooth Speaker
Blue Dusk
#49 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Portable Bluetooth Speaker – Twilight Blue
#56 in Portable Bluetooth Speakers
Bose SoundLink Flex (2nd Gen) Portable Bluetooth Speaker
Alpine Sage
#66 in Portable Bluetooth Speakers
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