Stereo Wireless Bluetooth Headphone RB-200HB Black
RB-200HB স্টেরিও ওয়্যারলেস ব্লুটুথ হেডফোন - ব্ল্যাক
Wireless Version: 4.1
Operation range: up to 10m(33`)
Capacity: 300mAh(chargeable)
Working time: about 2.5hrs
Rated power: 10mW
Driver Size: 40mm
Frequency range: 20Hz-20kHz
Sensitivity: 110+/-5db
Impedance: 32+/-15%O
Distortion: =1% at 1KHz
Blue light is the power indicator
Red light is the charging indicator
Red & Blue light is the pairing indicator
