Features:
1. IPX6 Waterproof Bluetooth Headset， you could enjoy music in the rainning day or shower time.
2. 100mAh battery capacity， long standby time， 7-8h talking time and 5-7 music time.
3. It support simultaneous connection of two bluetooth devices.
4. High resolution， stereo effect， put you personally into the music party.
5. Intelligent power display for IOS system.
Specifications:
| General Specification | |
| Brand | MB |
| Model | Z4 |
| Color | Black， White |
| Wearing Type | In-ear |
| Line Length | 0.6M |
| Technical Parameters | |
| Microphone | Yes |
| Wired Control | Support |
| Bluetooth Version | CSR 4.1 |
| Transmission Distance | 10M |
| Receive Sensitivity | 106dB |
| Impedance | 32Ω |
| Frequency Response | 20-20000Hz |
| Battery Capacity | 100mAh |
| Charging Time (h) | Approx 1h |
| Taking Time | 7-8h |
| Working Time (h) | 5-7h |
| Standby Time (h) | 240h |
Package Included:
 | 1* MB Z4 Bluetooth Earphone |
| 1* USB cable | |
| 1* pair of earhooks | |
| 2* pairs of earmuffs |