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* Model Number: M28
* Bluetooth Version : 5.0
* Talking /Music Time : 3-4 Hours
* Charging Time: 1 Hrs
* Operating distance :10m
* Charging case Battery: 300mAh
* Earbuds Battery : 30mAh
* Speaker Size: 10 mm
* Frequency: 2.402-2.480G HZ
* Speaker Material: 13 mm
