Apple AirPods 5 (Wireless Charging Case) / Sennheiser ACCENTUM Plus Wireless

Apple AirPods 5 (Wireless Charging Case): A3439 / A3440 / A3441; A3529 wireless case; white

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

SpecificationApple AirPods 5 (Wireless Charging Case)Sennheiser ACCENTUM Plus Wireless
Release year20262024
Announcement / availability9 / 18 September 2026 Apple—
ChipApple H2 Apple—
Noise controlANC, Adaptive Audio, Transparency Apple—
AudioCustom dynamic driver; Adaptive EQ Apple—
Spatial audioDynamic head tracking Apple—
SensorsOptical in-ear sensor; motion and speech accelerometers Apple—
MicrophonesDual beamforming and inward-facing microphones AppleTwo MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser
ControlsPress controls; swipe volume adjustment Apple—
Bluetooth5.3 Apple—
Earbud battery lifeUp to 5 hours ANC on / 7 hours off Apple—
Total with caseUp to 22 hours with ANC on Apple—
Quick charge5 minutes in case: about 1 hour listening Apple—
Charging caseUSB-C; Qi and Apple Watch chargers Apple—
Find MySpeaker in case Apple—
ProtectionIP57 Apple—
Earbud size / weight30.2 × 18.3 × 18.1 mm; 4.3 g each Apple—
Case size / weight46.2 × 50.1 × 21.2 mm; 34.7 g Apple—
Other devicesBluetooth audio; some features require Apple devices Apple—
Case compatibilityA3529 pairs only with wireless-case AirPods 5 earbuds Apple—
Type—Headband, around-the-ear (circum-aural) wireless headphones; fold flat

Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm.

Sennheiser
Driver—37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3%

Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode.

Sennheiser
Noise cancelling—Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode

Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch.

Sennheiser
Bluetooth and codecs—Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP

aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices.

Sennheiser
Battery—800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes

Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA.

Sennheiser
Controls and sensors—Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed

Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls.

Sennheiser
App—Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization

Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute.

Sennheiser
In the box—Headphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser
Weight—227 g Sennheiser