121AV Stereo Bluetooth Wireless Headset / Headphones With Call Mic / Microphone
Millions of Spares is a supplier of spare parts and accessories. Bluetooth Version :Blutooth V3.0. High quality Stereo Speaker. Impedence : 32+/-15% ohm. Sensitivity at 1KHz : 110+/-5 dB. Frequency range : 20Hz~20kHz.