Music makes every moment better — whether it’s a morning bike ride, a weekend camping trip, a relaxing day at the beach, or a backyard gathering with friends.
The MTB-BLSP09 Portable Bluetooth Speaker is designed with an integrated shoulder strap, allowing you to carry your music comfortably and keep your hands free. And no need to hold it all the time.
A portable speaker should be easy to carry.
The MTB-BLSP09 features a specially designed shoulder strap with a wider padded shoulder area that fits comfortably against your body. The soft support structure helps reduce concentrated pressure on your shoulder, making it more comfortable during longer outdoor activities.
With a compact and lightweight body, the MTB-BLSP09 Portable Outdoor Wireless Speakers is easy to carry , compared to heavy big speakers, you can easily carry it with you anytime.
With a 20,800mAh high-capacity rechargeable battery, the portable wireless speakers delivers long-lasting playback for daily entertainment, outdoor adventures, and gatherings with friends..
Different moments need different ways to carry.
Wear it across your body while walking outdoors, hang it near your campsite, attach it beside your bike, or place it anywhere you want music to follow.
When you return home, simply remove the strap and enjoy a clean desktop setup.
Outdoor environments can be challenging, but your music companion should always be ready.
The durable protective mesh exterior helps protect the speaker from daily scratches and accidental impacts, while the splash-resistant design provides extra confidence during outdoor activities.
Perfect for camping, cycling, beach trips, picnics, and backyard gatherings.
| Product Name | Portable Bluetooth Speaker |
| Brand | Mietubl |
| Model | MTB-BLSP09 |
| Release date | May 2026 |
| Connectivity | Bluetooth (Fast, Low-Latency & Ultra-Stable Connection) |
| Output Power | 120W (High-Power Immersive Sound) |
| Waterproof Rating | IPX6 (Heavy Splash & Rain Proof) |
| Speaker Configuration | Woofer: 4.5" / 4 Ω / 40W X 2 Tweeter: 32mm / 8Ω / 20W X 2 |
| Battery Capacity | 20,800mAh Ultra-Large Capacity (2600mAhX 8 cells) |
| Playback Time | Approx. 6–8 Hours (Tested at 50% Volume) |
| Charging Time | ≥ 3 Hours (Fast Charging Enabled) |
| PD 2.0 Charging Protocol | 5V / 9V / 12V / 15V / 20V (Max Charging Power: 60W) |
| QC 2.0 Charging Protocol | 5V / 3A, 9V / 2A, 12V / 1.5A |
| Core Functions | TF Card Playback / USB Drive / TWS Interconnection / Bluetooth (BT) |
| Wireless Range | 10–15 Meters (33–50 Feet) Stable Connection |
| Premium Materials | Heavy-duty ABS + Protective Silicone + Premium Acoustic Mesh |