TWS i7s Double Dual Mini Earphone With Power Case - White
TWS i7s ডাবল ডুয়াল মিনি ইয়ারফোন উইথ পাওয়ার কেস
"Drive: 15mm
Impedance: 32 OHM
Bluetooth version: Bluetooth v4.1+EDR
Bluetooth frequency: 2.4GHz
Power level: CLASS II, output power: 30mW
Bluetooth Distance: obstacle free 10 meters
Frequency response: 20-20000Hz
Working voltage range: 3.0V-4.2V
