True Wireless bluetooth Stereo Sport earbuds with charging box

Item No.: 4139
Capacity:

Product Description

 

Product Specification

Product size: 82*35*31.1mm
Voltage: 3.4V~4.2V
Battery capacity : 40mHA/350mHA
Working time : 2.0H
Charging time 1H
Frequency range: 2.402~2.480GHz
Channel interval: 2MHz
Emission power: CLASS 2
Sample frequency :Calling 8kHz&16kHz, Music44.1kHz&48kHz
Modulate way :GFSK, (π/4)DQPSK, 8DPSK
Speaker diameter: 6.0MM
Speaker impedance :16 Ohm
Frequency response :20~20KHz