Headphones Sennheiser ACCENTUM Wireless — Bluetooth 5.2 Class 1, 50 h battery, 0.8 Ah, white, circumaural, built-in mic

Sennheiser ACCENTUM Wireless are circumaural Bluetooth 5.2 Class 1 headphones with a dynamic driver, built-in microphone and active noise reduction. They provide up to 50 hours of operating time on a single charge, a battery capacity of 0.8 Ah and a charging time of approximately 3 hours. The headphones operate across a wide audio frequency range and are designed for extended listening sessions, voice calls and travel.

Advantages

Bluetooth 5.2 Class 1 ensures extended wireless range and stable connection. Long battery life—up to 50 hours—reduces the need for frequent charging. Circumaural design and dynamic drivers deliver full-range sound with 100 dB sensitivity and low total harmonic distortion (0.3%). Integrated microphone and support for A2DP, AVRCP and HFP profiles enable hands-free calls and media control. Active noise reduction helps reduce background noise during use.

Suitable for

• Long listening sessions at home or on the go
• Voice and conference calls via built-in microphone
• Travel and commuting where extended battery life matters
• Wireless media playback and remote device control

Key specifications

• Connectivity: Bluetooth 5.2 Class 1
• Operating time: up to 50 hours
• Battery capacity: 0.8 Ah; charging time ≈ 3 hours
• Frequency response (headphones): 10–20,000 Hz
• Microphone frequency response: 50–8,000 Hz
• Sensitivity: 100 dB; sound pressure level: 106 dB
• Total harmonic distortion (THD): 0.3%
• Driver type: dynamic
• Wearing style / ear coupling: circumaural (around-the-ear)
• Operating temperature range: 0–40 °C
• Storage temperature range: -20–60 °C
• Weight: 222 g

How to use

Charge the headphones fully (approximately 3 hours) before first use. Activate Bluetooth on your source device and enable pairing mode on the headphones; then select the Sennheiser ACCENTUM Wireless from the device list. Use the onboard controls or connected device to play audio, adjust volume and manage calls. Observe the specified operating temperature range and avoid exposing the product to extreme temperatures or moisture. Do not disassemble or modify the product yourself.

Recommendations

For best battery performance, fully charge and discharge the headphones periodically and store them in a cool, dry place when not in use. Use noise reduction and volume levels appropriate for your environment to maintain hearing comfort.