T-TOPER V4.1 Invisible Wireless Earbuds
Bluetooth Earbuds BATTERY: BUILT IN 2000mah Charging the wireless Earbuds about 30 minutes with the power bank case. Up to 2 hours of constant music time after fully charged. You can also charge your phone with this case.
6.0 Sound CANCELLING BLUETOOTH 4.1 Bluetooth V4.1 audio decoding technology and, pairing with smartphones directly. 6.0 technology decreasing outside noises make sure your voice or music is natural and clear.
TWO PLAYING CHOICES: Pairing two mini ear buds in double, gets them into a pair of Bluetooth headphones; Or you could just use single (right one) Bluetooth earpiece to save power.