Noise cancelling: cancels background and wind noise Sweat-proof technology: protects your earphone from coffee spills or gym workouts Adjustable to 180°: Find the perfect angle to fit your ear Enhanced battery capacity: reminds you to charge the headset for your next use
V5.0 Bluetooth chip Bluetooth transmission distance: 10 meters. Creative hook design, only 12g weight, stable and comfortable. Support adjusting volume and changing music Headphone battery capacity: 250mAh Noise reduction: CVC 8.0 Working voltage: 3.7V Charging voltage: DC5V Charging time: 1-2 hour Talk time: about 17 hours Frequency response: 20-22kHz Color:Black/Blue