I now have an Apple Watch Ultra 2. I was holding off getting one waiting for an on board Glucometer. I decided its cardiopulmonary functions were too important not to have. One of the many things it has is Apple Music, and Audible. Its 5.3 Bluetooth smoothly pairs with my FiiO BTR5, and BTR7. I would love to hear from someone with AirPod Pro's and how they work with an Apple Watch. Anyway this pairing works without a hitch, the only problem is it is not too good if you have a hearing deficit the Ultra has the largest battery of the Apple Watch line up, 564 mAh, The watch has a whole bunch of automatic things to maximize battery life, from full charge to 30% the way I am using it is about 40 hours. I am one that only takes it off to recharge it, from 30% to 100% with its supplied magnetic charger is not more than 40 minutes. This affects its audio levels. Even running it through my FiiO DAC/Amps it does not have enough volume for me to hear music and especially audiobook narration at comfortable levels. If you have normal hearing this should not be a problem. I always have my iPhone on hand and my FiiO DAC/Amps I am always in range of its 5.3 Bluetooth. The iPhone 14 Pro Max has a 4,323 mAh battery
Apple Music

Audible

Apple Music

Audible

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