The headphones came in simple and detailed packaging with an instruction manual and basic instructions for use. The charging case has a leather surface and looks stylish. The case had about 50% battery and uses Micro-USB to charge them. I've been using the case to charge my earbuds for a week and they still have a charge left so I'd say the battery in the case is huge and lasts a long time. The case also has a USB port that can be used as a power bank. I was able to test this to charge my phone and it works fine. The earbuds inside came with interchangeable earbuds, so you can swap them out for a comfortable personal experience. I found what the buds came with was perfect for me. The connection to the phone via Bluetooth was all standard, the headphones go into discovery mode immediately after being pulled out and can be selected from the list of devices on the phone. Once connected, they automatically connect to the last known device. The F1's sound quality was fairly balanced with higher trebles. Touch controls were responsive to skipping or pausing tracks. The microphone quality was pretty good for calls and nobody else has ever complained about the sound quality. used to USB-C style. In general, these are very good headphones and a huge battery in the charging case.
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