Name: Bose QuietComfort Ultra
Brand: Bose
Availability: InStock
Rating: 4.3 (3468 reviews)

From Microless.com

Immersive spatial audio mode
World-class noise cancellation with Quiet and Aware modes
CustomTune technology auto-adjusts noise cancellation and sound to your ears
Dynamic mic mixing for clear calls
IPX4-rated water and sweat resistance
Bluetooth 5.3 connectivity with up to 9 m range

Materials: Earbuds: metal, plastic, gold plating, sweat and water resistant (IPX4); Eartips: silicone; Case: hard plastic
Guarantee: 1 Year warranty with effortless claims and global coverage; shipping costs covered.
Returns: Free Returns
Shipping: 4-8 days delivery globally; express delivery worldwide; delivery charges and import fees calculated at checkout.
In the box: Earbuds, Charging case, USB-C (A to C) cable (12"), 3 pairs of eartips and stability bands, Safety sheet

About the Bose QuietComfort Ultra

QuietComfort Ultra Earbuds Improving on the award-winning QuietComfort Earbuds II, the white Bose QuietComfort Ultra Earbuds True Wireless In-Ear Headphones continue to offer high-quality audio, world-class noise cancellation, CustomTune technology that auto-adjusts the noise cancellation and sound performance to your ears' liking, responsive touch controls, and a water- and sweat resistant IPX4 rating—and now immersive audio to take audio performance to an entirely new level.

What buyers say

Buyers like

Perfect sound quality
Very pleased with the purchase

Specifications

Driver: 40mm dynamic
Battery Life: 24 hours (ANC on)
Bluetooth: 5.3, SBC, AAC, aptX Adaptive, aptX Lossless, Snapdragon Sound
Headphone Cup Type: Over-ear
Body Part Use: Head
Noise Cancellation Type: Active
Max Battery Life: 24 hours
Recharge Time: 3 hours
Rechargeable Battery: Yes
Standby Time: Go into sleep mode automatically (when you remove them)
Earpad Material: Protein Leather
Driver Size: 40 mm
Frequency Response: Bose doesn't provide frequency range specs
Headphone Impedance: 32 ohm
Sensitivity: Unnecessary to take sensitivity measurements (requires built-in power to work)
Sound Output: Stereo
Audio Highlights: Spatial audio, Immersive Audio
Total Harmonic Distortion: Higher scores mean cleaner reproduction (MOS-D)
Waterproof: No
Water Resistant: No
Connectivity Technology: Bluetooth, Wireless
Wireless Type: Bluetooth
Bluetooth Version: 5.3
Compatible Devices: iPhone, Android, Laptop