The YESIDO YSW39 is a 20W portable wireless speaker with Bluetooth 5.3, RGB lighting and five playback modes — designed for those who want a step up from compact 8W alternatives with deeper bass and more volume for indoor and outdoor listening. The 66mm, 3Ω driver in an ABS and fabric mesh body is powered by a 7.4V/1200mAh 18650 battery, providing approximately 5.5 hours at 80% volume and charging in approximately 4 hours. Curated by Aetheo for everyday listening.
Why you'll like it
- 20W output from a Φ66mm, 3Ω driver — more volume and bass presence than typical 8W portable speakers
- Five playback modes: Bluetooth 5.3, TF card, USB, TWS stereo pairing and AUX
- RGB lighting effects add a visual element to listening sessions at home or outdoors
- 7.4V/1200mAh 18650 battery with protection board — approximately 5.5 hours at 80% volume
- Hands-free calling function supported via Bluetooth
Designed for versatile higher-power listening
The YSW39's 20W output and 66mm driver deliver noticeably more bass presence and volume ceiling than smaller portable speakers in this form factor. The five playback modes cover wireless and wired audio scenarios, and TWS pairing with a second YSW39 enables a stereo setup. Bluetooth 5.3 provides stable connection with lower power draw than earlier Bluetooth versions. Curated by Aetheo for practical everyday audio.
Key features
20W, Φ66mm driver
The 66mm speaker at 3Ω and 20W rated output delivers more volume and bass compared with typical 8W or 10W compact portable speakers — suitable for larger rooms and outdoor spaces.
Five playback modes
Bluetooth 5.3, TF card, USB, TWS and AUX support covers wireless streaming, local file playback and wired input without needing an additional device for each mode.
7.4V/1200mAh 18650 battery
The 7.4V 18650 battery with protection board provides approximately 5.5 hours of listening at 80% volume. Charging time is approximately 4 hours at 5V/1A input.
RGB lighting
RGB lighting effects sync with music playback, adding a visual dimension to listening sessions in dimmer environments or as part of a desktop or outdoor setup.
Best for
- Listeners who want more volume and bass than typical compact 5–10W portable speakers
- Those who want multiple playback modes including TF card and AUX alongside Bluetooth
- Anyone who wants TWS stereo pairing capability with a second YSW39
- Desk or outdoor users who want RGB ambient lighting alongside audio
- Daily listeners who need 5+ hours of battery per charge
What's included
- 1 × YESIDO YSW39 portable Bluetooth speaker
- 1 × Charging cable
- 1 × English user manual
Compatibility and setup
Bluetooth 5.3 single channel. Battery: 7.4V/1200mAh 18650 with protection board. Input: 5V/1A. Driver: Φ66mm, 3Ω, 20W. Certifications: CE-RED, CE-RoHS.
Why choose the YESIDO YSW39?
The YSW39 offers 20W output, five playback modes, RGB lighting and 5.5 hours of battery in a portable form — a meaningful step up from smaller compact speakers for those who prioritise volume, bass and versatility.
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FAQs
How long does the YESIDO YSW39 battery last?
The 7.4V/1200mAh 18650 battery provides approximately 5.5 hours of playback at 80% volume per charge. Charging time is approximately 4 hours at 5V/1A.
What playback modes does the YESIDO YSW39 support?
The YSW39 supports Bluetooth 5.3 (wireless streaming), TF card, USB flash drive, TWS stereo pairing and AUX wired input — five modes in total, plus hands-free calling via Bluetooth.
What is the power output of the YESIDO YSW39?
The YSW39 has a 20W rated output through a Φ66mm, 3Ω driver. This provides more volume and bass than typical 8W or 10W compact portable speakers of a similar form factor.
Does the YESIDO YSW39 support TWS pairing?
Yes. Two YSW39 speakers can be paired via TWS (True Wireless Stereo) to play separate left and right channels as a stereo pair. Each speaker must be purchased individually.
How long does the YESIDO YSW39 take to charge?
The 7.4V/1200mAh battery charges in approximately 4 hours at 5V/1A input via the included charging cable.
| Specification | Details |
|---|---|
| Brand | YESIDO |
| Model | YSW39 |
| Material | ABS, silicone, fabric mesh |
| Speaker Driver | Φ66mm, 3Ω |
| Output Power | 20W |
| Bluetooth Version | 5.3 (single channel) |
| Playback Modes | Bluetooth, TF card, USB, TWS, AUX |
| Battery | 7.4V / 1200mAh (18650 with protection board) |
| Playtime | Approx. 5.5 hours at 80% volume |
| Charge Time | Approx. 4 hours |
| Input | 5V / 1A |
| Lighting | RGB |
| Certifications | CE-RED, CE-RoHS |
