UiiSii HM9 Wired In-Ear Headphones with Microphone Color:Blue The projection technology is LED

The projection technology is LED and the Throw Ratio is 1

To easily understand your condition without cycling through individual apps

0 port to 7 external USB 3

Frequency Response: 20Hz - 20KHz

It delivers all the room-filling Marshall signature sound you’d expect from a home speaker

UiiSii HM9 Wired In-Ear Headphones with Microphone Color:Blue The projection technology is LEDFeatures: The UiiSii HM9 has a 1. 2 meter flexible durable material and 3. 5mm gold plated jack. Built in Microphone and In line control, perfect for you to make handsfree calls, play music and change songs. High quality dynamic 10mm speaker makes HD clear sound, with super bass stereo 3D effect. Parameters: Brand & Model: UIISII HM9 Type: Wired In ear Hi Fi Earphone Impedance: 16 Sensitivity: 1023dB Frequency range: 20 20000HZ Plug Pin: 3. 5mm Line