Apple AirPods 5 (Wireless Charging Case) / Sony ULT WEAR (WH-ULT900N)

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

Sony ULT WEAR (WH-ULT900N): WH-ULT900N (printed code YY2981) closed over-ear wireless headphones; Black, Off-White, Forest Gray. ULT FIELD speakers and the WH-1000X series are separate products.

SpecificationApple AirPods 5 (Wireless Charging Case)Sony ULT WEAR (WH-ULT900N)
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 Apple—
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—
Noise cancelling—Digital active noise cancelling with Integrated Processor V1 and Dual Noise Sensor; Ambient Sound mode

Two mics on each cup sample outside noise and the processor generates an inverse signal; Ambient Sound mode lets you hear announcements and speech without removing the headphones.

Sony
Driver and ULT button—40 mm dome-type closed dynamic driver with neodymium magnet; ULT button for bass-heavy sound mode

The ULT button switches to a strong bass setting with one press; the app equaliser can tune the sound further.

Sony
Frequency response—5–20,000 Hz (JEITA, wired); 20–20,000 Hz over Bluetooth (44.1 kHz sampling) Sony
Bluetooth and codecs—Bluetooth 5.2; A2DP, AVRCP, HFP, HSP; SBC, AAC, LDAC; about 10 m range

LDAC carries audio at a higher bitrate from Android devices; iPhones do not support LDAC and use AAC.

Sony
Multipoint and sensor—Two Bluetooth devices at once; wear sensor (pauses music when removed)

You can switch between a phone and a computer without re-pairing.

Sony
Battery—Music up to 30 hours ANC on, 50 hours off; calls up to 30 hours ANC on, 40 hours off; about 3.5 hours to charge over USB Sony
Wired use—Detachable single-sided cable of about 1.2 m, gold-plated L-shaped 3.5 mm plug; passive operation supported

When the battery is flat you can keep listening over the cable; audio over USB-C is not listed.

Sony
Microphone and processing—Electret condenser, omnidirectional microphone; DSEE

DSEE tries to restore high frequencies lost in compressed music.

Sony
Impedance and sensitivity—314 Ω on, 32 Ω off (1 kHz); 110 dB/mW on, 100 dB/mW off (wired) Sony
Weight and colours—About 255 g; Black, Off-White, Forest Gray Sony
In the box—Connection cable, USB cable, reference guide, warranty card Sony
Service program—Free repair until 31 January 2027 for cracks in the rotating shaft between headband and housing on specific serial numbers

The serial number is printed inside the left hanger; Sony provides affected ranges and a checker per colour. The crack can cause the housing to detach. Ranges listed in Canada: Black 1000001–1164062, Off-White 2000001–2040144, Forest Gray 3000001–3026514.

Sony