| Model No. | HS-B21 |
| Color | black |
| Private Mold： | Yes |
| Material | plastic +fabric |
| Bluetooth version | JL4.2 |
| Bluetooth distance | ≥10 meters |
| Power Input | DC5.0V |
| Speaker Output | 5W |
| Impedance | 4Ω |
| Frequency | 20Hz-20KHz |
| SNR | ≥80dB |
| Battery capacity | 1200mAh rechargeable Lithium-ion |
| Playback time | 12H (50%volume) |
| Charging time | 1.2H |
| Support Memory Card | Yes |
| Auxiliary Input | Yes |
| Built-in microphone | Yes |
| Handle | PU leather |
| Audio Crossover | Full-Range |
| Communication | bluetooth |
| Warranty in months | 12 |
1. Play music through wireless,memory card ,USB pen Drive & FM
2. Subwoofer Deep Bass/Power Bank/TF/AUX/NFC/FM
3. Comptatible with mobiles,Laptop ,tablet, MP3 player etc.
4. Large Jobsite Speakers for Work, Outdoor, Workshop, Garage, Camping, Pool, Beach, Backyard...
5. Multiple playback modes ,12 hours playback time at 50% volume
| Unit Dimensions (cm) | 22.5*7.0**10.5 |
| Unit Weight (g) | 445 |
| Giftbox Dimensions (cm) | 25.5*8*12 |
| Giftbox Weight (g) | 560 |
| Master Dimensions (cm) | 51.5*45.0*38.5 |
| Master Weight (kg) | 12.50 |
| Master Case QTY(pcs) | 20 |
| Customs code | 8518210000 |
| Accessories : | 1* Charging cable +1*User Manual + 1*color box |
