An unique design and high quality sound make Crown Wireless Earbuds a great choice for any situation. Touch control sensitivity makes it easy to take calls and switch songs without looking at your phone. Keep them charged and ready to go with the convenient charging case. Bluetooth V5.0 allows you to stay connected with less call dropping, signal interference and not having to be tied to your phone with a connectivity distance of up to 20m. Bluetooth Version: 5.0 Speaker output: 5mW 32ohm Distortion and noise: 20 to 20KHz Working Distance: 20m Output frequency of speaker: 98±3db Battery built-in earpiece: 30mAh *2 Charging station battery:185mAh Type C input: 5V/250mA Charging time for earbuds: 1.