Enco Air 2i (Enco Buds2) Green Bluetooth 5.2 AI Noise Cancelling Wireless Headphone 28Hours Battery Life Green

Notice: this model is china version, Which original box not inculde type-c Cable Driver:10 mm dynamic driver Frequency response range: 20Hz - 20kHz Microphone sensitivity: 101dB@1KhZ Bluetooth codec: AAC/SBC Bluetooth version: 5.2 Bluetooth range: 10m Battery type: Rechargeable Li-ion Cell Battery capacity 40 mAh (Earbuds) /460 mAh (Charging Case) Playtime (50% volume) 7 h (single charge)/28 h (with Charging Case) Calling time (50% volume) 4 h (single charge)/16 h (with Charging Case) Charging time 90 min (Earbuds)/ 200 min (Earbuds +Charging Case) Charging Port: Type-C Water resistance (Earbuds): IPX4 Weight:4.0g(earbuds)/30.0g(charging Case)/38.0 g(earbuds+charging Case) Charging Case Size:57mm*57mm*25.6mm Earbuds Size:35.2mm* 20.3mm*23.3mm