• Auto the pop-up window, the left and right ears can be switched freely, and the earphones automatically matched
• Compatible with iOS/Android system (as long as the device has Bluetooth connection)
• Each charging can listen music about 3.5 hours
• 400mAh charging box can store power, 45 hours working time
• One button control, automatic connection (double-ear listening, playback, power on/off function, automatic connection to Siri) with QI wireless charging function
• 50mAh for single earphone
• Music play: about 3-4h
• Fast charging: about 40 minutes fully-charged

6-month warranty