• Premium Gift Mirrored Earphone Phone charging feature Dual digital display Noise cancellation Amplified bass feature 5-6 days charging time Bluetooth version: Bluetooth 5.2 Transmission distance: 10 meters Bluetooth protocol: Hfp/hsp/a2dp/avrcp Waterproof level : I px5 Earphone battery capacity: 50mah Charging case battery capacity: 2000mah Charging time: About 4-5 hours Connection method: Single / double Command features : Music play / pause, call answering Noise reduction Ios power indicator Voice prompt Black color Package include: 2 x bluetooth earphones 1 x charging case 1 x charging cable 1 x user manual.