Fone Bluetooth-Kopfhörer, Sport-Schlaf-Stirnband, elastische kabellose Kopfhörer, Musik-Augenmaske, kabelloses Bluetooth-Headset, Stirnband

Specification Shipping Limitations:Unlimited Dimensions:3.94 in. * 3.94 in. * 0.20 in. Weight:0.23 lbs Available Ship to:United States Details Bluetooth Headphones Sports Sleeping Headband Thin Soft Elastic Comfortable Wireless Earphones Music Eye Mask for Side Sleeper Bluetooth version: 5.0 Bluetooth transmission distance: 10M Music playing time: Maximum sound 7h; medium volume 10 hours Microphone distance: 1m Bluetooth standby time: 72h Battery capacity: 150mA / h Battery power: 0.55w Horn impedance: 32 ohm Horn power: 0.02w Frequency range: 2.4-2.4835ghz Sensitivity: 45dB Transmitting power: 6dB Audio output distortion: 0.6% Audio output SNR: 93dB Charging time: 1-2 hours Maximum input voltage: DC 5V Maximum input current: 150mah Maximum input power: 0.55w