NIA X9 Foldable Portable Wireless Bluetooth Headphones Music Headset with Microphone

NIA X9 wireless headphones use BT 4.2 technology, delivering high speed and stable transmission. It has multiple playback modes, a BT connection, a TF card, an FM radio, and a 3.5mm AUX IN, allowing you to enjoy endless music. Foldable and adjustable headband length, soft leather ear cushion, easy for storage, and comfortable to wear for a long time. Also, the built-in microphone enables hands-free calls, delivering clear and real talking sounds.

• NIA X9 headphone supports playing music via BT connection, TF card, FM radio, and 3.5mm audio cable. Allow you to enjoy endless music
  

• Foldable and adjustable headband length, slow rebound protein earmuffs, easy for storage, and comfortable to wear for a long time
  

• Advanced BT 4.2 technology offers fast transmission speed and high-quality signals. Easy to connect with BT-enabled devices
  

• 350mAh rechargeable lithium battery ensures about 20 hours of music or talking time. Recharged via the included Micro USB port
  

• Built-in microphone enables hands-free calls to set free your hands when doing sports and delivers clear and real talking sound
  

• 40mm large size drive unit, excellent titanium-plated diaphragm bring shocking bass, midrange fullness, and clear treble

Specifications:

• Brand Name: NIA

• Model Number: X9

• BT Version: 4.2

• Support Profiles: A2DP/ACRCP

• Operation Range: 10 meters (no obstacle)

• Frequency Response: 20Hz-20KHz

• Impedance: 32?

• Sensitivity: 108±3dB

• FM Frequency: 87.5-108MHz

• Music Format: MP3, WMA, MAV

• Speaker Unit: 40mm

• Battery Capacity: 350mAh (depends on music volume)

• Working Time: about 20 hours

• Charging Port: Micro USB

• Item Size: approx. 20.7*17.3*8.8cm/8.15*6.81*3.46in

• Item Weight: 273g/9.63oz