When choosing a Bluetooth outdoor portable speaker, wireless distance is an important factor for reliable music playback. The Outdoor Portable Speaker MTB-BLSP18 offers a specified Bluetooth transmission range of up to 10 m, giving users practical coverage for nearby outdoor activities such as garden parties, camping trips, picnics, and tailgating events.
Built with Bluetooth V5.4 and a JieLi 6956C4 chipset, this portable speaker is designed to maintain a wireless audio connection within its stated operating distance. For best results, keep the paired phone or audio source within 10 m of the speaker and avoid major physical obstructions that may affect the signal.
The MTB-BLSP18 combines wireless connectivity with a compact audio configuration. It includes one 52 mm speaker driver rated at 5 W, supported by 5 W output power for everyday portable listening. This setup makes it suitable for personal music playback and small outdoor group settings.

A built-in 1200 mAh battery provides an estimated playback time of approximately 3 to 6 hours. Actual operating time can vary based on listening volume and usage conditions. With an IPX7 waterproof rating, the unit can support outdoor occasions where water exposure is a concern, including poolside relaxation and beach outings.
The speaker is intended for flexible outdoor use. Typical applications include backyard or garden parties, hiking, camping, picnics, fitness sessions, tailgating, beach visits, and poolside entertainment. For these situations, a 10 m Bluetooth range allows the speaker to stay near the group while the source device remains conveniently accessible.

| Specification | Outdoor Portable Speaker MTB-BLSP18 |
|---|---|
| Bluetooth version | V5.4 |
| Bluetooth chipset | JieLi 6956C4 |
| Bluetooth transmission range | Up to 10 m |
| Speaker configuration | 52 mm, 5 W x 1 |
| Output power | 5 W |
| Battery capacity | 1200 mAh |
| Playback time | Approximately 3 to 6 hours |
| Waterproof rating | IPX7 |
| Quality inspection standard | GB/T2828.1 |
The published Bluetooth transmission distance for the MTB-BLSP18 is up to 10 m.
This outdoor portable speaker uses Bluetooth V5.4 and is equipped with a JieLi 6956C4 chipset.
Yes. The speaker carries an IPX7 waterproof rating and is listed for use during beach, poolside, and outdoor gathering activities.
The 1200 mAh battery is rated for approximately 3 to 6 hours of playback, depending on operating conditions.
For purchasers seeking a portable Bluetooth speaker for outdoor settings, the MTB-BLSP18 offers a combination of up to 10 m wireless range, Bluetooth V5.4 connectivity, 5 W audio output, IPX7 water resistance, and approximately 3 to 6 hours of playback. The minimum order quantity is 1000 units. MIETUBL reports RED certification for wireless Bluetooth speakers and provides ecosystem, global reach, and supply chain support. For technical details or business inquiries, contact Marketing@mietubl.com.
MIETUBL GLOBAL SUPPLY CHAIN(GUANGZHOU) CO.,LTD is a Guangzhou-based supplier of 3C digital accessories. Its product scope includes intelligent screen protector cutting machines, screen protectors, film materials, data cables, power banks, and audio products. Founded in 1998, the company operates a 10,000-square-meter private industrial park and maintains development capabilities in software, hardware, data, and film materials. Its R&D and design team includes more than 30 experienced engineers and industrial designers. Listed qualifications include RED certification for wireless Bluetooth speakers and High-tech Enterprise certification.

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