This is a large Bluetooth speaker without many bells and whistles—no Wi-Fi, built-in smart assistant, or spatial audio. Its most unique features are RGB lighting and a 1/4-inch microphone or guitar input. The Ult Field 7 delivers loud volume, powerful bass, and a cool look—it’s a party speaker.
The Sony ULT Field 7 is a powerful Bluetooth speaker with a built-in rechargeable battery.Sony ULT Field 7 Bluetooth Speaker BatteryHere are the key battery info:
Battery Specs: Battery Type: Rechargeable lithium-ionSony ULT Field 7 Bluetooth Speaker BatteryBattery Life: Up to 30 hours (depending on volume and usage), Charging Time: Approximately 4.5 hours (via USB-C), Power Source: USB-C (cable included, adapter may not be included), Battery Indicator: Yes (LED indicator shows remaining charge)
Charging and Usage Tips:Charge with the included USB-C charging cable.To maximize the battery life of the Sony ULT Field 7 Bluetooth speaker, avoid draining it frequently.
While it’s certainly overkill for casual music listening at home, the Sony Ult Field 7 is a great speaker for large gatherings, both indoors and outdoors. The Field 7 boasts exceptional battery life. Beneath its mesh fabric grille are four speakers: two 114mm woofers and two 46mm tweeters. It’s loud—turn the volume up to full in the living room, and music can be heard clearly throughout a 1,200-square-foot house. The Ult Field 7 comes with a convenient carrying handle, and Sony claims it’s built to last every time.Sony ULT Field 7 Bluetooth Speaker BatteryWith up to 30 hours of use on a single charge, it’s a great choice for those who frequently host lively outdoor gatherings. For anyone looking for a Bluetooth speaker, the Sony Ult Field 7 is a great and affordable choice. It offers excellent sound quality, ample volume, and excellent portability. Its IP67 waterproof rating makes it safe for outdoor use, too. If you’re still on the fence, the Field 7 might be overkill; for my backyard, a smaller, less expensive speaker is more than adequate, and I suspect it’s the same for most people.
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