Jbl Jbl TWS-4 Ideal Truly Wireless In-ear Bluetooth Earbud

Features: 1.Separate the fuselage any single or double ears to wear 2.TWS4 can receive type storage box 3.JBL TWS 4 will not get rid run while listening to music 4.Waterproof & Sweatproof 5.Multi function touch button for operation of Power on/off, Reply,Call/Reject, Skip, Play/Pause 6.Light weight only 5.3g 7.Standby time: 48 hours 8.Working time: 4 hours 9.Display battery status on mobile phone 10.colour black 11.brand Jbl