XORO KHB 25 wireless in-ear headphones are an ideal companion for sports, leisure, travel, etc. Each 45 mAh battery power per earbud provides up to 3.5 hours of playtime per charge. The included charging box with another 300 mAh can charge the headphones 3 times in a row when fully charged, extending the play time up to 14 hours. With the built-in speakerphone and microphone in the headphones, you can always stay connected and take calls from your smartphone. The two earbuds can be used alone or in two-channel mode and can be paired independently. With Bluetooth 5.0: fast pairing, stable connection and signal transmission. Once the earbuds are taken out of the charging box and turned on, they will automatically pair with each other. Earpieces are included in three sizes (S, M, L) to ensure the best fit. Key Features Performances.