Headphones Earphones Stereo Bass With Mic Handsfree Headset Earbuds For iPhone Xiaomi Features: 100% Brand new and good quality Stylish ear hook design, unique and cool Bluetooth v5.0, support stereo music Volume control, volume down/up, next/previous song Built-in rechargeable battery, come with a charging cable Noise cancellation design, perfect sound quality Built-in microphone, answer/reject phone calls conveniently Compatible with most Bluetooth enabled cell phone/Tablet/ PC/Laptop Support systems: for Windows/1OS/Android Hands free while driving/walking/sporting Bluetooth headset only, smart phone Not included U8 Fashion Bluetooth Sports Headphones Specifics: Bluetooth version: V5.0 Frequency: 2.4-2.48 GHz Operation distance: up to 10M Charging time: about 2 hours Efficient working time: about 5-8 hours Standby time: up to 180 hour Usage: a.Long press the power button about 3-5 seconds till you see the indicator light flashes blue and red alternately b.Set your phone into Bluetooth mode, and search the device named: "U8" c.Click to pair with the Bluetooth headset d.Short press button "+"/"-" to volume up/down and Lona press button "+"/"-" to choose next/previous song Package content: 1 x Bluetooth headset