When choosing a Bluetooth outdoor portable speaker, wireless distance is an important factor for picnics, camping trips, garden parties, and other open-air activities. The MTB-BLSP18 Outdoor Portable Speaker offers a stated Bluetooth transmission range of up to 10 m, using Bluetooth V5.4 technology and a JieLi 6956C4 chipset.
The 10 m range provides a practical connection distance for everyday outdoor listening. Actual performance can vary depending on obstacles, device placement, interference, and the Bluetooth capabilities of the connected phone or tablet.
The MTB-BLSP18 is built around the JieLi 6956C4 Bluetooth chipset and Bluetooth V5.4 standard. For users planning an outdoor speaker setup, the published 10 m transmission distance is the recommended operating range under suitable conditions.

Its audio system combines a single 52 mm driver with 5 W output power, making it suitable for personal listening and small outdoor gatherings. The 1200 mAh battery supports about 3 to 6 hours of playback, depending on volume and usage conditions.
With an IPX7 waterproof rating, the speaker is designed for situations where exposure to water may occur. Listed applications include beaches, poolside events, backyard and garden parties, picnics, tailgating, camping, hiking, and outdoor group fitness.

| Specification | MTB-BLSP18 Outdoor Portable Speaker |
|---|---|
| Bluetooth version | V5.4 |
| Transmission distance | Up to 10 m |
| Speaker configuration | 52 mm, 5 W x 1 |
| Battery capacity | 1200 mAh |
| Playback duration | Approximately 3 to 6 hours |
| Waterproof protection | IPX7 |
| Quality inspection standard | GB/T2828.1 |
MIETUBL reports RED certifications connected with its wireless audio products, including true wireless stereo headphones and wireless Bluetooth speakers. The company also describes cooperation in Brazil for intelligent screen protector cutting machines and film materials, along with an exclusive-store project in the Philippines for 3C accessories and customized screen protection services.
The specified Bluetooth transmission range is up to 10 m under suitable operating conditions.
The speaker uses Bluetooth V5.4 together with a JieLi 6956C4 chipset.
Yes. Its IPX7 waterproof rating supports listed applications such as beach and poolside activities, although users should follow appropriate product-use guidance.
For buyers comparing Bluetooth outdoor portable speakers, the MTB-BLSP18 combines a stated 10 m wireless range, 5 W audio output, 3 to 6 hours of playback, and IPX7 waterproof protection. Its listed business model includes ecosystem development, global market reach, and supply chain support, with a minimum order quantity of 1000 units. MIETUBL also holds RED certification for wireless Bluetooth speakers. For technical solutions or product support, contact Marketing@mietubl.com.
MIETUBL GLOBAL SUPPLY CHAIN(GUANGZHOU) CO.,LTD is a Guangzhou-based supplier of mobile phone accessories and 3C digital products. Its portfolio includes intelligent screen protector cutting machines, screen protectors, data cables, power banks, and audio equipment. Founded in 1998, the company operates a 10,000-square-meter private industrial park and develops software, hardware, data, and film-material solutions. Its R&D and design team includes more than 30 engineers and industrial designers, and its listed credentials include RED certification for wireless Bluetooth speakers and High-tech Enterprise certification.

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