True Bone Conduction Headphones X4s, Ipx8 Waterproof Sports Headphones, Bluetooth Portable Wireless Headphones, Suitable for Swimming and Cycling - Keilini

• 1. X4s headset true bone conduction, all sound is produced by patented vibrator, Truly achieve the ideal effect of not damaging the eardrum. 2. Ultra-Light In Weight：Only 25g / 0.88 O，Maybe the lightest bone conduction earphone you came across.X4 sit comfortably around your head and are very lightweightfor maximum convenience and wearability. 3. titanium headbandwill never be deformationtitanium headband is feather light but extremely stable.You even don’t feel you are wearing headphones. 4. Enjoy music and keep exercising, ipx56 waterproof rating updated lPX56 sweatproof rating offers peace of mindwhile working out.you won' truin these headphones with sweat running down your cheeks. 5. Perfect connectivitygreat sound quality , wireless 5.0 offers fantastic connectivity. A highly sensitivemicrophone will allow people you are talking with to hearyou clearly.