SUPERIOR SOUND: With Advanced APTX tech?? our in-ear design offers incredible sound quality with deep bass and crystal clear treble?? no matter your taste in music. Works great for soundtracks?? audio books?? relaxing sounds?? and even techno music.</br>COMFORTABLE and SECURE: With Ergonomic design and silicone ear hooks?? T890 Bluetooth Headphones are secure behind your ears and rest comfortably in the ear canal. Premium soft smooth silicone gel surface helps sweat proof. It is great for Gym?? Running?? Jogging?? Hiking?? Cycling?? and impact Sports.</br>LONGEST BATTERY LIFE??he new and improved lithium polymer battery allows seamless enjoyment of music for up to 7 hours and 250 hours stand-by with a quick charge of only 2 hours.</br>HD VOICE CALLS??CVC noise Isolation technology reduces outside noises?? e