-Model Code : AKGN400BLK
-Bluetooth ver : 5.0
-Bluetooth Profile : HFP V1.6, A2DP V1.3, AVRCP V1.5
-Sound Driver size : 8.2 mm High-sensitivity driver
-Impedance : 16 ohm
-Frequency response : 10 Hz-20 kHz
-ANC : Active noise cancelling, Free Set (Ambient Aware, Talk Thru)
-Waterproof : O (IPX7)
-Battery Type : Coin Cell Battery (earbuds: 55 mAh / 3.7 V , Case : Polymer Li-ion)
-Battery capacity (case) : 220 mAh / 3.7 V
-Color : Black ,Navy ,Silver
-Earbuds Weight : 7.7 g
-Case Weight : 65 g
-Charging time : 2 hours
-Sensitivity : 96 dBSPL / 1 mW @ 1 kHz
-Audio codec format : AAC, SBC
-Package Configuration : Charging Case, Earbuds, Eartips (S, M, L), Quick Start Guide(QSG), USB-C Cable, Wingtips (S, M, L), Comply foam tip
-100% Authentic