FEATURES Signal transmission Wireless Earphone type In-ear Bluetooth Headphone Frequency (Hz) 20 Hz 20 Khz Sensitivity 50 Nominal Impedance 36 No Noise Cancellation Yes Volume Adjustment Yes Headset function Yes Bluetooth Version 6.0 Links Bluetooth Bluetooth Yes Special Attributes Call Control, IP55 Mute Mode Yes Dolby Surround No Microphone Yes NFC (Near Field) Support No Splashproof Yes Maximum battery life 41 hours Charging Time 60 Min Color (According to Manufacturer) White Weight (According to Manufacturer) 15 g Box Contents Product and Charging Cable Weight 15 Width 3 Height 7 Depth 2 Color (basic) White Packaging Size 5 cm / 10 cm / 5 cm Manufacturer Warranty 2 Years Official Manufacturer Guaranteed Place of Manufacture China Packaging Width 5 Packing Height 10 Packing Depth 5 Circumference 30 cm Packed Weight 25 Manufacturer Number (MPN) A0010704

It is recommended to download the baseus app for sound quality