Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.

What should I do if the computer says they need a driver or transmitter to connect the earbuds?

Here are some methods for your reference.·Download a Bluetooth receiver to connect(in the computer settings)·Kindly check if your computer’s Bluetooth version supports Bluetooth 5.0

TOZO T12 Pro Wireless Earbuds

Equipped with Qualcomm QCC3040 Chip: Qualcomm 3040 chip, which supports APTX Stereo sound quality, CVC 8.0 active noise reduction, equipped with advanced audio DSP processor and audio algorithm so that the treble is sweet and clear, the bass is strong, comparable to high-end headphones.
Charge on The Go with 2500mAh Total 170 Hrs: The charging box comes with a wireless charging function, With a battery capacity of 2500mAh, which can provide at least 170 hours of long battery life.
Qualcomm CVC 8.0 Call noise Reduction: Filters environmental sounds and echoes for clear calls.
IPX8 Waterproof & Touch Control: Waterproof and suitable for sports. Touch control for easy operation.
APTX High-Quality Sound: 10mm large speaker for clear highs and deep bass.

Equipped with Qualcomm QCC3040 Chip: Qualcomm 3040 chip, which supports APTX Stereo sound quality, CVC 8.0 active noise reduction, equipped with advanced audio DSP processor and audio algorithm so that the treble is sweet and clear, the bass is strong, comparable to high-end headphones.
Charge on The Go with 2500mAh Total 170 Hrs: The charging box comes with a wireless charging function, With a battery capacity of 2500mAh, which can provide at least 170 hours of long battery life.
Qualcomm CVC 8.0 Call noise Reduction: Filters environmental sounds and echoes for clear calls.
IPX8 Waterproof & Touch Control: Waterproof and suitable for sports. Touch control for easy operation.
APTX High-Quality Sound: 10mm large speaker for clear highs and deep bass.