Joyroom earphone cozydots series bluetooth true wireless bt 5.3, tws, anc, for sleeping

Specification:Headphone type: wireless TWSIntended use: sleeping, napping, relaxingBluetooth: 5.3ANC: up to 24 dBAudio codecs: AAC, SBCProfiles: HFP, A2DP, AVRCPRange: up to 10 m (open space)Frequency response: 20 Hz - 20 kHzPlayback time: up to 4 hours (70% volume)Total working time with case: up to 24 hoursHeadset battery capacity: 30 mAhCase battery capacity: 400 mAhCharging port: USB-CMaterial: ABS, PCThe most important advantages of the Joyroom JR-TS1 Cozydots Series headphones:Sleeping comfort: low-profile design prevents pressure on the ear, even when sleeping on your side.ANC to reduce ambient noise: up to 24 dB noise reduction helps you fall asleep and rest.Soft silicone pads: skin-friendly and designed for long-term wear.Stable Bluetooth 5.3 connection: smooth playback without interruptions or lag.Power for nighttime use and naps: up to 4 hours of use and up to 24 hours with the charging case.