WiWU Solar TD-06

•Active Noise Cancellation (ANC): Reduces noise by 22 dB.

•Battery Life: Up to 30 hours of usage without ANC; 20 hours with ANC.

•Bluetooth Version: Equipped with Bluetooth 5.3 for better connectivity.

•Charging Time: Fully charges in 2.5 hours.

•Working Distance: Effective Bluetooth range of up to 10 meters.

•Speaker Size: 40 mm drivers for sound output.

•Frequency Range: Covers 20 Hz to 20 kHz for a wide audio spectrum

•These headphones have lots of cool features, like being able to charge using the sun so you can listen for as long as you want. Their 3.7V 300mAh battery provides up to 20 hours of talk time with Active Noise Cancellation (ANC) on and 30 hours without it. When you need to charge with a cable, it only takes 2.5 hours to fully recharge.