The difference between wireless Bluetooth headset 4.0 and 4.1The upgrade of Bluetooth 4.1 version can avoid as much interference as possible and better support LTE. The latest Bluetooth 4.1 standard is a promising technology. Its smart, low power, high transmission speed, and simple connection will be suitable for many emerging devices.IPX5 WATERPROOF DESGIN The IPX5-rated earbuds nano coating ensures complete defence against sweat or rain to soundtrack your gym workout or running.COMPATIBLE WITH ALL SMARTPHONE DEVICESThe Bluetooth headsets could compatible with all kinds of Bluetooth devices,such as iPhone x 8 8plus 7 7plus 6 6s 6s plus 5 5s, iPad and Samsung galaxy s9+ s9 s8 s7 s6, note 8, s6 edge, HTC, Sony, Motorola and LG etc. LONGER MUSIC PLAYER & FASTER CHARINGPlay for up to 9 hours, longer than most earphones on the market. Bluetooth 4.1 ensures a connection range of up to 10m(33 ft) and charging takes only 1.5 hours.Convenient Inline ControlsTurn up / down the volume, switch track, play / pause the music, and even answer / reject calls without reaching out for your phone.You have to switch from the phone to the Bluetooth headset when you answer the call. Specifications:Bluetooth Version: V4.1+CSR8645Working Range: Within 10m/33ft Playtime: 9hrsStandby time:180 hoursCharging time:1.5 hoursWaterproof Rating: IPX5How To Pair: 1.Long press the MFB button 3 seconds and see the Blue Indicator lights up;(Voice Notice: Power On,Connected) 2.Open the mobile phone bluetooth and search "X13", then connect it.(Voice Notice: Connected) Charge Indicator LightFlashing Red: Low Battery Steady Red: ChargingSteady Blue: Fully Charged Package Include: 1xHeadphones 1xUSB Charging Cable 4xEar buds 4xEar Hooks 1xUser's Manual
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