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Sennheiser Accentum Open Earbuds - Black
700430
Product Overview
Key Features
- Sennheiser sound tuning
- Open design for better awareness
- Up to 6 hrs music playtime with earbuds, Up to 28 hrs including case
- IPX4 Splash resistance
Key Specifications
- Brand:
- Sennheiser
- Model Number:
- 700430
- Microphone:
- 2 Mics per earbud, Beamforming
- Wireless:
- Yes
- Water Resistant:
- Splash resistant (earbuds only)
- Type:
- In Ear
Connections
- Bluetooth:
- v5.3
Power & Charging
- Battery Life:
- Up to 6 hrs music playtime with earbuds/Up to 24 hrs overall music playtime with charging case
- Battery Capacity:
- Built-in Lithium-Ion rechargeable batteries/Earbud: 36mAh(MBT) / 35 mAh(VDL), Charging case: 400 mAh
- Charging Interface:
- USB-C
- Charging Time (Hr):
- 1
- Run Time (Up To) Hours:
- 28
Safety
- IP Rating:
- IPX4
General Information
- Family:
- Sennheiser Accentum
- Colour:
- Black
- Additional Features:
- Multipoint connectivity (up to 8 devices), Lightweight, ergonomic stem design, 11mm dynamic transducers and SBC and AAC audio codec support
Warranty
- Manufacturer's Warranty:
- 1 Year
Connections
- Bluetooth:
- v5.3
Safety
- IP Rating:
- IPX4
Warranty
- Manufacturer's Warranty:
- 1 Year
Case Dimensions
- Case Height (mm):
- 51.77
- Case Width (mm):
- 50.18
- Case Depth (mm):
- 25.36
- Case Weight (g):
- 29.3
Product Dimensions
- Product Weight (g):
- 8.7
Box Dimensions
- Box Height (mm):
- 25
- Box Width (mm):
- 50
- Box Depth (mm):
- 52
- Box Weight (kg):
- 0
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At a glance
The Sennheiser Accentum Open Earbuds are true wireless earbuds built for everyday listening, commuting and calls when you want to stay aware of your surroundings. They stand out for their comfortable open fit, reliable multipoint switching and solid 28-hour total battery life. The main limitation is reduced noise isolation compared with sealed or noise-cancelling earbuds in louder places.
What it’s great for
- Commuting
- Everyday Listening
- Voice Calls
- Multidevice Use
- Casual Workouts
Where it works best
- Public Transport
- Office
- Home
- University Campus
- Walking Outdoors
Who it’s for
- Commuter
- Student
- Everyday Professional
- Hybrid Worker
- Casual Listener
Things to consider
The open design helps you stay aware of your surroundings, but it blocks less outside noise than sealed earbuds or premium active noise-cancelling models.
Commuter suitability score
9/10 - Open fit suits travel by keeping you more aware of surroundings, with strong battery life for daily trips.
Workout fit
Best for walking, light gym sessions and general movement; open fit and IPX4 resistance suit casual exercise more than high-impact training.
Noise isolation effectiveness
3/10 - Open design prioritises awareness, so it reduces outside noise far less than sealed earbuds.
All-day comfort rating
8.5/10 - Lightweight open design is made for longer wear with less pressure than traditional in-ear styles.
Multi-device switching ease
9/10 - Multipoint support and connection with up to 8 devices make switching between everyday devices straightforward.
Key benefits
- Open design: Lets you enjoy music while staying more aware of traffic, announcements or conversations around you.
- Up to 6 hours battery per charge: Covers a full commute, work session or study block without needing a top-up.
- Up to 28 hours total playtime with case: Extends listening across the day and reduces how often you need to recharge.
- Bluetooth 5.3: Supports a modern wireless connection for easy pairing with compatible devices.
- Multipoint connectivity with up to 8 devices: Makes it easier to move between your phone, tablet and laptop through the day.
- Two microphones per earbud: Helps keep voice calls clearer for work chats and everyday conversations.
- Lightweight ergonomic stem design: Feels easier to wear for longer listening sessions with less in-ear pressure.
- IPX4 splash resistance: Adds protection against sweat and light splashes for everyday use.
Q: Do these earbuds have noise cancelling for flights and loud trains?
A: No. Sennheiser Accentum Open uses an open design that lets outside sound in, so it is built for awareness rather than blocking cabin, rail or traffic noise. For quieter listening in noisy places, sealed or ANC earbuds suit better.
Q: Are they suitable for gym sessions or running outdoors?
A: Yes, for light workouts, walking and everyday movement. The earbuds have IPX4 splash resistance against sweat and light splashes, but the open comfort-focused fit is not a sport-specific lock-in design for harder training.
Q: Can Accentum Open switch between my phone and laptop easily?
A: Yes. Bluetooth 5.3 with multipoint makes it easier to move between a phone, tablet or laptop without setting the earbuds up again each time. Accentum Open also supports pairing with up to 8 devices for regular multi-device use.
Q: How long does the case extend battery for day-to-day use?
A: Sennheiser Accentum Open plays for up to 6 hours on a single charge, and the case extends total music playtime to up to 28 hours. That suits several commutes or a few casual listening days before the case needs charging.
Q: Will people hear more background noise on calls with open earbuds?
A: These earbuds use two microphones in each earbud to help keep voice calls clear in everyday use. The open design is made around awareness, so very noisy streets or public transport can still be harder call environments than quieter indoor spaces.
Q: Do open earbuds leak sound to people sitting nearby?
A: Yes, open earbuds usually leak more sound than sealed in-ear designs, especially at higher volume. Accentum Open is better suited to moderate listening where awareness matters than private listening in very quiet spaces.