Sony WI-C400 Wireless Bluetooth in-Ear Neck Band Headphones, 9mm Driver

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  • Usage : Wireless In-Ear Neckband Headphones for casual and daily usage. Frequency response: 8 Hz-22,000 Hz
  • Battery Life : Up to 20 Hours of battery life
  • Behind the Neck Style Headphones : Comfortable behind-the-neck style with cable management
  • Headphones with Mic : In-Built Mic for Hands free calling with HD voice, Vibration for incoming call to get alert for every call
  • Light Weight : Portable headphones with ultra lightweight at 35g design
  • Voice assistant : Google Assistant for voice access to music, information and more. Activate with a simple touch
  • Driver Unit : 9mm driver unit offers clear sound quality
  • Colour Options : 4 classic colours to blend into your outfit
  • In the box : Charging cable, Earbuds 3 Units, Instruction Manual

From the manufacturer


Size & Weight

Approx. 35 g (1.23 oz)

General Features

Headphone Type
Closed Dynamic
Driver Unit
Frequency response
8 Hz–22,000 Hz
Volume Control
Usage Time
Max. 20 hrs
Charge Time
Approx. 4.5 hrs
Wearing style

What’s In The Box

  • USB cable: Micro-USB cable (approx. 50 cm / 19 3/4)
  • Earbuds: (SS/S/M/L)


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