| Brand Name | GC |
| Model Number | HSM4 Sport Bluetooth Headphone |
| Style | Headband |
| Communication | Wireless |
| Connectors | 3.5mm |
| Use | Mobile Phone |
| Function | Bluetooth, Microphone, Noise Cancelling, Waterproof |
| Place of Origin | Guangdong, China |
| Color | Beige, Black, Gray, White |
FM Sport Bluetooth Headphone/Mini Foldable Ti Alloy Sport Bluetooth Headphone/Ergonomic Bluetooth Headphone Model HSM4
Feature:
Bluetooth Version: V4.1
Distance: 10 Meters
Battery: 300mAH Li-Battery
Charge: 2.5H
Working time: 10H
Standby: 30 days
Dimention of Ear-Cover: 40mm
Frequency: 20Hz to 20KHz
Weight: 160g
Resistance: 32ohm.
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