Wireless Bluetooth Music Headband

Specifications: It can keep the sweat out of your eyes, keep the hair off your face. The elastic band can be easily adjusted to meet your specific needs and ensure maximum comfort. Great for all activities, like running, marathons, yoga, shopping or even dressing for work or school. It supports music, phone function and power display.   Item name: bluetooth bandana (removable wash) Material: Cotton Gender: Unisex Battery: 150 mah battery (included) Features: breathable, music and phone function, power display Size: 22cm x 6.5cm / 8.66 'x 2.56' (approx.) Bluetooth technical- parameters:  Bluetooth version: 5.0  Bluetooth protocol: AGHSP  Bluetooth solution: Blue News  Bluetooth transmission distance: 10 meters  Headphone channel: stereo (2.0)  Music playback time: maximum sound 7H, medium volume 10 hours  Microphone distance: 1 meter  Bluetooth standby time: 72H  Battery capacity: 150ma/h  Battery power: 0.55W  Speaker impedance: 32 ohms  Speaker power: 0.02W  Frequency range: 2.4-2.4835GHz  Sensitivity: 45db  Transmit 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