MUSE M-290 Earphone True Wireless

Muse M-290 TWS. Product type: Headset, Wearing style: In-ear, Product colour: Black. Connectivity technology: Wireless, Bluetooth version: 5.0+EDR, Wireless range: 10 m. Ear coupling: Intraaural, Intraaural headphones type: Earbuds, Impedance: 16 Ω. Microphone type: Built-in, Microphone sensitivity: -42 dB. Battery type: Built-in battery, Battery capacity: 40 mAh, Continuous audio playback time: 25 h Features: - Bluetooth version: V5.0+EDR - Music time with case fully charged: - Around 25hours - Earbud music time: - Around 4 hours 70% volume music play - Earbuds & Storage box charging time: 1.5 hours - Number of charge cycles: - 6 times with case fully charged - Built-in rechargeable battery - Earbud battery: 40mAh/3.7V - Storage box battery: 670mAh/3.7V - Hands-Free - Touch control - Graphene speaker - Speaker impedance: 16Ω - Microphones sensitivity: -42dB