Specifications:
| General Specification | |
| Brand Name | Masentek |
| Model Number | S42 |
| Color | Black， White |
| Wearing Type | In-ear |
| Dimensions (cm/ inch) | 53.5*12.5*7mm |
| Technical Parameters | |
| Microphone | Yes |
| Bluetooth Version | CSR V4.0+EDR |
| Transmission Distance | 10m |
| Music Time (h) | 5.5 hours |
| Taking Time (h) | 7 hours |
| Standby Time (h) | 280 hours |
Package Included:
 | 1* Masentek S42 Bluetooth Earphone |
| 1* Earbud | |
| 1* Ear Hook | |
| 1* USB Charging Cable |