Supports automatic pairing, power on after taking out from the charging case.The earphones are comfortable in the ears, and will not be painful when worn for a long time, and they will not fall off easilyThe wide compatibility allows the headset to be easily matched and connected with the device you are using, simple to use and easy to operateWhether as a gift to a friend or to yourself, this will be a great value choice Item Name: Wireless Earphones Material: ABS Bluetooth Version: 5.0 Transmission Distance: 10-20m Playback Time: 4-6 Hours Charging Time: 1-2 Hours Working Voltage: 3.0-4.2V Charging Voltage: 5V/1A Supported Protocol: A2DP/HFP/HSP/AVRCP Battery: Rechargeable Battery (Included) Features: Wireless, LED Digital Display, with Charging Box, In-ear Charging Box Size: 7.7cm x 5.2cm x 2.6cm/3.03" x 2.05" x 1.02" (Approx.) Single Earphone Size: 2.5cm x 1.6cm/0.98" x 0.63" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Wireless Earphones 1 x Charging Box 1 x Charging Cable 1 Pack of Eartips 1 x User Manual