Sleep earphones, Bluetooth headscarf, wireless music, sports headband, built-in sleep music eye mask

Bluetooth technical parameters: Headband material: Taylon Bluetooth version: 5.0 Bluetooth protocol: AGHSP Bluetooth solution: Blue message Bluetooth transmission distance: 10 meters Headphone channel: Stereo (2.0) Music playback time: 7H sound, 10 hours medium volume Microphone distance: 1 meter Bluetooth standby time: 72H Battery capacity: 150ma/h Battery power: 0.55W Horn impedance: 32 ohms Horn power: 0.02W Frequency range: 2.4-2.4835GHz Sensitivity: 45dB Transmission power: 6dB Audio output distortion: 0.6% Audio output signal-to-noise ratio: 93dB Charging time: 1-2 hours Input voltage: DC 5V Input current: 150mah Input power: 0.55W Product packaging information Single weight: 80g Size: 27cm * 10cm Packaging accessories: Bluetooth headscarf, instruction manual, charging cable OPP bag