ANTI-DROP BLUETOOTH EARBUDS & IPX4 SWEATPROOF LIFETIME GUARANTEE:Changxu Audio bluetooth earbuds bass pipe with oblique angle design that headphone won't slip out ,unique design little plastic loops are designed to keep the earpieces in the ears, when you are runing or in bar and train station will give you quiet enjoyment.bluetooth earbuds sweatproof Can be used as Microphones Vocal in some time party.With 3 pairs of ultra soft ear tips (/S/M/L) and 3 pairs of ear fins included, the earph TRUE HD BEATS HIGH FIDELITY SOUND AND COMFORTABLE WEARING CALLING HANDSFREE: bluetooth earbuds noise cancelling with CSR8635 Bluetooth Chip V4.1+ EDR audio decode technology, provides lossless stereo sound that that produce incredible sound quality with deep bass and crystal clear treble. Designed in a ergonomic angle, the bluetooth earbuds with bluetooth can fit snugly and compatible in your ear without hurting and receive call handsfree Bluetooth headphones support two devices connected si WIRELESS EARBUDS WARRANTY -2 YRAR LIFETIME WARRANTY AND 90 DAYS FREE REPLACEMENT: - We provide 2 year lifttime warranty 90 days no-questions-asked return policy .If you don not like them with problem after receiving,your product will be fully refunded or replaced.