--- product_id: 66930875 title: "Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black" brand: "energy sistem" price: "FREE" currency: EUR in_stock: false url: https://www.desertcart.pt/products/66930875-energy-sistem-music-box-b2-bluetooth-black-bluetooth-audio-in store_origin: PT region: Portugal --- # Bluetooth 4.0 wireless 6W RMS stereo power 10+ hours battery life Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black **Brand:** energy sistem **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🎶 Elevate your vibe anywhere, anytime with crisp sound and zero cables! ## Quick Answers - **What is this?** Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black by energy sistem - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/66930875-energy-sistem-music-box-b2-bluetooth-black-bluetooth-audio-in) ## Best For - energy sistem enthusiasts ## Why This Product - Trusted energy sistem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hands-free hustle:** Built-in mic lets you take calls with a single button—stay connected, hands-free. - • **All-day soundtrack:** Rechargeable battery delivers over 10 hours of uninterrupted playback. - • **Pocket-sized power:** Compact 214g design fits your on-the-go lifestyle effortlessly. - • **Universal audio access:** 3.5mm AUX input supports non-Bluetooth devices for ultimate versatility. - • **Seamless wireless freedom:** Bluetooth 4.0 ensures quick pairing and cable-free music anywhere. ## Overview The Energy Sistem Music Box B2 is a sleek, ultra-portable Bluetooth 4.0 speaker delivering 6W RMS stereo sound with crystal clarity. Weighing just 214 grams, it offers over 10 hours of battery life and hands-free call functionality via an integrated microphone. Its 3.5mm audio input ensures compatibility with all your devices, making it the perfect companion for professionals who demand quality sound and seamless connectivity on the move. ## Description Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black: desertcart.co.uk: Electronics & Photo ## Features - - BLUETOOTH 4.0 & HANDS FREE: Forget cables with Bluetooth technology and answer your calls directly by pressing a single button of the speaker. - - 6W RMS: clean and clear stereo sound with 6W output. - - AUDIO-IN: 3.5mm audio in input to listen to music from any portable music player or computer. - - LONG BATTERY LIFE: Rechargeable battery with more than 10 hours of life in playback mode. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01CK7O402 | | Antenna Location | For smartphones or tablets | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Stereo | | Battery Average Life | 10 hours | | Battery Charge Time | 2 hours | | Brand Name | Energy Sistem | | Colour | Black | | Compatible Devices | Bluetooth v4.0, clase II,Entrada auxiliar 3,5 mm | | Connectivity Protocol | Bluetooth | | Control Method | Voice | | Controller Type | Button | | Customer Reviews | 4.2 4.2 out of 5 stars (254) | | Global Trade Identification Number | 08432426426515 | | Is Waterproof | True | | Item Weight | 214 Grams | | Manufacturer | Energy Sistem | | Maximum Speaker Output Power (in watts) | 6 Watts | | Model Name | Energy Music Box B2 Bluetooth Black (Bluetooth, Audio-In, micrófono integrado) | | Model Number | 426515 | | Mounting Type | tabletop | | Network Connectivity Technology | Bluetooth | | Number of Audio Channels | 2.0 | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Number of Items | 1 | | Power Source | Battery Powered | | Product Features | Wireless | | Signal-to-Noise Ratio | 80 dB | | Speaker Size | 3.5 Millimetres | | Speaker Type | Bluetooth | | Specific Uses For Product | Portable audio use with smartphones and tablets | | Total USB 2.0 Ports | 1 | | Tweeter Diameter | 1 Inches | | Unit Count | 1.00 count | | Warranty Type | Limited | | Wireless Technology Type | Bluetooth | ## Product Details - **Audio output mode:** Stereo - **Brand:** Energy Sistem - **Compatible devices:** Bluetooth v4.0, clase II,Entrada auxiliar 3,5 mm - **Connectivity technology:** Bluetooth - **Model name:** Energy Music Box B2 Bluetooth Black (Bluetooth, Audio-In, micrófono integrado) - **Mounting type:** tabletop - **Recommended uses for product:** For smartphones or tablets - **Speaker maximum output power:** 6 Watts - **Speaker type:** Bluetooth - **Special feature:** Wireless ## Images ![Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black - Image 1](https://m.media-amazon.com/images/I/81nBD781A4L.jpg) ## Frequently Bought Together - Energy Sistem Music Box B2 Bluetooth Black (Bluetooth, Audio-In, Hands-Free, Battery) - Black - PNY Elite - Flash memory card - 64 GB - UHS-I U1 / Class10 - microSDXC UHS-I --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/66930875-energy-sistem-music-box-b2-bluetooth-black-bluetooth-audio-in](https://www.desertcart.pt/products/66930875-energy-sistem-music-box-b2-bluetooth-black-bluetooth-audio-in) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-03*