Browse phonebook and use other functions while calling;
Volume control;
answering/hanging up button;
1.Frequency response:20-20000Hz
2.Sensitivity: -80dB±3%,
3.Impedance: 32 ohms
4.Speaker diameter: 30mm
5.Cord length:0.5m
6.Plugs type: USB
7.Dimension: 21*6*6.7 CM N.W.:300g
8.Color:(Blue, Red, purple, yellow, pink, green, orange, black, white, silver