boAt Stone 135 Review
About Rahul Verma: Rahul is a tech enthusiast and gadget reviewer with over 8 years of experience testing consumer electronics. He specializes in audio gear, smartwatches, and mobile accessories. When he is not testing products, you will find him exploring the latest in AI and smart home technology.
boAt Stone 135
Value Pick ★ 4/5The boAt Stone 135 is a compact 5W Bluetooth speaker aimed at users who want portable audio without breaking the bank. With IPX4 splash resistance, 12-hour battery, and a lanyard for easy carrying, it's a sensible default for casual listening at home or on the go.
- Output Power: 5W
- Driver: 40mm Dynamic
- Battery Life: Up to 12 hours (claimed), 8-10 hours (real-world)
- Charging: USB Type-C, 1.5A
- Charging Time: ~2 hours
The Quick Verdict
Most Bluetooth speakers in the sub-₹700 range feel like an afterthought — small drivers, weak bass, plasticky build. The boAt Stone 135 is the exception that proves the rule. After two weeks of daily testing in my kitchen and at a friend's weekend gathering, here's the honest take: this is one of the best-sounding speakers you'll find under ₹700, with the boAt signature bass-forward tuning that works well for Bollywood, hip-hop, and EDM. The build is plastic but solid, the IPX4 rating handles kitchen splashes, and the 12-hour battery is generous for the price.
Who Should Buy?
| Buy If | Skip If |
|---|---|
| You want a budget speaker for kitchen, bedroom, or casual outdoor use | You need loud audio for outdoor parties (look at 10W+ speakers) |
| Bass-forward sound is what you enjoy | You want a premium build (look at Sony or JBL) |
| You need splash resistance for kitchen or light outdoor use | You want stereo pairing (this model is single-driver) |
| You're okay with standard 5W output | You need a speaker for large rooms |
What's In The Box
- boAt Stone 135 speaker
- USB Type-C charging cable
- Lanyard (pre-attached)
- User manual and warranty card
Build & Design
The Stone 135 has a compact cylindrical design with the boAt signature rugged build. The body is plastic with a rubberized coating that resists fingerprints and minor drops. The control buttons are on top — power, volume, play/pause, and Bluetooth pairing. The lanyard is a nice touch for hanging the speaker from a backpack or shower hook.
At 210g, it's genuinely portable — you can carry it in one hand or hang it from a bag without noticing the weight. The IPX4 rating means it handles splashes from any direction, which covers kitchen splashes, light rain, or poolside use (don't submerge it).
Sound Quality
The 40mm driver delivers boAt's signature bass-forward tuning. The sound is warm, the bass is elevated, and the mids are slightly recessed. For Bollywood, Punjabi, and mainstream hip-hop, this tuning works perfectly — the bass hits, the vocals are present, and the treble is smooth enough to avoid harshness.
For jazz, classical, or acoustic recordings, the tuning isn't ideal — the recessed mids mean vocals and acoustic instruments lose some detail. For casual listeners, this won't matter. For audiophiles, look at the Infinity Fuze 200 or Sony SRS-XB100.
5W output is enough for a small to medium room. At maximum volume, there's slight distortion on bass-heavy tracks. At 60-70% volume, the sound is clean and loud enough for most situations.
Battery Life
boAt claims 12 hours. In my testing at 60-70% volume, I got 8-10 hours — enough for a full day of casual listening. Charging via USB-C takes about 2 hours from empty. The LED indicator on the front shows charging status.
Connectivity
Bluetooth 5.3 with SBC and AAC codec support. Pairing is fast — open the speaker, find it in your phone's Bluetooth list, and pair. Subsequent connections are nearly instant. Range is standard — about 10 meters with one wall in between.
The speaker also has AUX-in for wired connections and microSD card support for playing music directly from a card. The built-in mic handles calls adequately indoors — fine for occasional calls.
Water Resistance
IPX4 means splash-resistant from any direction. Translation: kitchen splashes, light rain, and poolside use are fine. Don't submerge it. I used it in a steamy kitchen and in light rain without issues.
The Competition
| Alternative | Price | Why Consider It |
|---|---|---|
| Zebronics Zeb-Crystal Pro | ~₹749 | RGB lighting, FM radio, similar price |
| boAt Stone 190 | ~₹1,099 | IPX6 instead of IPX4, slightly better sound |
| Infinity Fuze 200 | ~₹999 | More balanced sound, IPX7, premium brand |
| Ambrane BTS-19 | ~₹999 | 10W (louder), TWS pairing, similar price |
Bottom Line
The boAt Stone 135 is the sensible default for users who want a budget Bluetooth speaker under ₹700. The boAt-typical bass-forward sound works for mainstream Indian music, the IPX4 rating handles kitchen and outdoor use, and the 12-hour battery is generous for the price. For audiophiles or users who want louder audio, look elsewhere. For everyone else, this is a safe pick.
Rating: 7.5/10 — Best budget Bluetooth speaker under ₹700.
Pros
- Sub-₹700 price
- boAt signature bass-forward sound
- IPX4 splash resistance
- 12-hour claimed battery (8-10 hours real)
- USB-C charging
- Lanyard included for easy carrying
Cons
- 5W output limits volume
- Plastic build doesn't feel premium
- Bass-heavy tuning isn't for everyone
- No stereo pairing
- No app support for EQ customization
Verdict
The Stone 135 is a confident budget Bluetooth speaker from boAt. It covers the basics well, sounds good for the price, and has the boAt brand reliability. If you need louder audio or a more balanced sound, look at the Ambrane BTS-19 or Infinity Fuze 200. If you want the cheapest reliable speaker under ₹700, this is it.
7.5/10
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