Sennheiser CX 400BT Truly Wireless Bluetooth in Ear Headphone with Mic (Black)

Name: Sennheiser CX 400BT Truly Wireless Bluetooth in Ear Headphone with Mic (Black)
Brand: Sennheiser
SKU: OZOSMW
Price: 6399.00 INR
Availability: InStock

-62%

Sennheiser CX 400BT Truly Wireless Bluetooth in Ear Headphone with Mic (Black)

Stock: In Stock
Brand: Sennheiser
Model: ‎CX 400BT True Wireless
Weight: 0.49KG
Dimensions: 5.90cm x 3.40cm x 4.20cm
SKU: OZOSMW

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₹6,399.00

₹16,990.00

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Description

The Sennheiser CX 400BT True Wireless delivers clear, balanced sound for music lovers and daily commuters who want studio-quality audio in a compact, comfortable package. These earbuds solve the struggle of muddy Bluetooth sound by offering precise mids, punchy bass and crisp highs with customizable EQ via the Sennheiser Smart Control app. Lightweight ergonomics and reliable touch controls make long listening sessions comfortable and effortless. Comes with manufacturer warranty and genuine packaging — backed by Vlebazaar’s trusted service, reliable delivery and responsive after-sales support to keep you listening worry-free.

Top Features

High-fidelity sound: 7mm dynamic drivers deliver detailed clarity and balanced bass for immersive listening.
Customizable EQ: Personalize sound via the Sennheiser Smart Control app to suit genres and moods.
Comfort-fit design: Lightweight, ergonomic earbuds for hours of secure comfort and passive noise isolation.
Long battery life: Multiple charges from the compact case extend playback for the day.
Reliable wireless: Modern Bluetooth connectivity ensures stable streaming and low latency for videos.
On-ear touch controls: Intuitive touch interface for playback, calls and voice assistant access.
Clear calls: Built-in microphones tuned for voice clarity during calls and meetings.
Compact charging case: Slim case for easy pocket carry and fast USB-C charging.
Codec support: High-quality audio codecs for improved streaming fidelity across devices.
Durable build: Precision engineering and quality materials for everyday use and travel.

Technical Specifications

Specification	Details
Model	CX 400BT True Wireless
Brand	Sennheiser
Colour	Black
Type	Truly wireless in-ear headphones with mic
Drivers	7 mm dynamic drivers (high-fidelity tuning)
Supported Codecs	SBC, AAC, aptX
Bluetooth Version	Bluetooth 5.x (stable wireless range up to ~10 m)
Battery Life	Up to ~7 hours per charge (earbuds) + additional charges from case for up to ~20 hours total
Charging	USB-C charging (case included)
Controls	Touch controls (customizable via app)
App Support	Sennheiser Smart Control (EQ presets & firmware updates)
Microphone	Built-in mics for calls and voice assistant
Noise Handling	Passive noise isolation (no active noise cancellation)
Materials / Build	Lightweight high-grade plastic housing with silicone ear tips
Compatibility	Works with Android, iOS and Bluetooth-enabled devices
Box Contents	Left & right earbuds, charging case, USB-C cable, multiple ear tip sizes, quick start guide
Warranty	Manufacturer warranty included; Vlebazaar provides reliable after-sales support

Why Buy From Vlebazaar?

Vlebazaar guarantees genuine Sennheiser products, secure payments and reliable shipping across India. Our listings include clear product details, prompt dispatch and a dedicated customer care team to help with setup, warranty claims and any post-purchase questions. Buy with confidence knowing we verify authenticity, offer secure packaging and stand by quick, helpful support if you need assistance.

Who Should Buy This?

Daily commuters and travellers who want compact, reliable wireless audio.
Music lovers who prefer balanced, detailed sound without bulky headphones.
Remote workers and students needing clear in-call voice performance.
Users who want customizable sound via an app and simple touch controls.
Anyone seeking a premium, durable pair of true wireless earbuds from a trusted audio brand.

Frequently Asked Questions

Q1: Do these earbuds support active noise cancellation (ANC)?

A: No — the CX 400BT rely on snug ear tip fit and passive noise isolation to reduce ambient noise while preserving audio clarity.

Q2: How long does the battery last and how fast do they charge?

A: Typical single-charge playback is around 7 hours, with the charging case providing additional charges for roughly 20 hours total. The case charges via USB-C; charging times vary by charger but are optimized for daily use.

Q3: Can I customize the sound signature?

A: Yes — use the Sennheiser Smart Control app to tweak EQ settings, select presets and update firmware for improved performance.

Q4: Are these earbuds compatible with my phone?

A: They work with most Bluetooth-enabled smartphones and tablets (Android and iOS). Supported codecs include SBC, AAC and aptX for enhanced audio quality.

Q5: What does the warranty cover and how do I claim it?

A: These earbuds come with the manufacturer’s warranty for defects in materials or workmanship. For warranty assistance or service, contact Vlebazaar support and we’ll guide you through the claim process and authorized service options.