Bluetooth Headband Eye Mask Stress-free Sleep

Product information: Item: Bluetooth Headband Bluetooth version: 5.0 Bluetooth protocol: AGHSP Bluetooth solution: Lanxun chip Bluetooth transmission distance: 10 meters Headphone channel: Stereo 2.0 Music playback time: max. sound 7H, med. volume 10 hours Microphone distance: 1 meter Bluetooth standby time: 72H Battery capacity: 150ma/h Battery power: 0.55W Speaker impedance: 32 ohm Speaker power: 0.02W Frequency range: 2.4-2.4835GHz Sensitivity: 45db Transmitting power: 6dB Audio output distortion: 0.6% Audio output signal-to-noise ratio: 93dB Charging time: 1-2 hours Maximum input voltage: DC 5V Maximum input current: 150mah Maximum input power: 0.55W Package size: 27cm*10cm Features: 【Sleep Headphones & Sports Headband 2 in 1】- This Headband allows you to listen to your music without having to wear additional headphones, and protects you from being disturbed by your messy hair and sweat. Microphone to let you won't miss any callings. Perfect suitable for gym, workout, run