Products Description
| Model No. | TG-157 |
| Audio noise ratio | ≥90db |
| Battery capacity | 1200mAh |
| Voltage | 3.7V |
| Normal volume playing time | 3-4 hours |
| Horn specification | OD 52mm x 2pcs |
| The speaker power | 4 Ω / 5 w x 2 |
| Frequency response | 120hz-20khz |
| Wireless transmission range | 10M |
| Charging voltage | 5V / 500MA |
| Product size | 188*72*75mm |
| Product weight | 490g |