Sell Bluetooth Sleeping Headphones Sports Headband Thin Soft Elastic Comfortable Wireless Music Earphones Eye Mask For Side S best price

Bluetooth technical parameters: Bluetooth version: 5.0 Bluetooth transmission distance: 10M Music: Maximum sound 7h, medium volume 10h Microphone distance: 1m Bluetooth standby time: 72h Battery capacity: 150mA/h Battery: 0.55w Horn impedance: 32 ohms Horn power: 0.02w Frequency range: 2.4-2.4835ghz Sensitivity: 45dB Transmit 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 power: 0.55w Product packaging information Weight: 80g Size: 27cm*10cm Packing: Bluetooth earphone, manual, charging cable, OPP bag