Auricolari Devia TWS-K1 Bluetooth 5.3 EM057 Bianchi Product information Brand: DEVIA Name: Kintone Series TWS-K1 Earphone Bluetooth version: v5.3 Earbuds battery capacity: 3.7V/30mAh Case battery capacity:3.7V/200mAh Music time: 5 hours (normal volume) Number of times to recharge earbuds with the case: 2.5 times Operating distance: 15 meters Charging interface: TYPE-C Wearing method:semi-in-ear Functions: Calling, listening to music Color: Black, White，Orange，Pink