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 Single Earphone Battery: 50mAh (Included) Charging Box Battery: 350mAh (Included) Bluetooth Agreement: A2DP, AVRCP Transmission Distance: 10 M Standby Time: 100 H Call Time: 3 H Continuous Play time: 3.5 H Features: Large Battery Capacity, Bluetooth 5.0, Noise Reduction Note:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes: 1 x Charging Box 2 x Wireless Earphones 2 x Earmuff 1 x User Manual 1 x Charging Cable