Wireless Bluetooth Sleep Headband

SPECIFICATIONS Number Of Drivers: 2 Material: PVC Earcups Type: Sealed Number Of Drivers: 2 Charging Method: Cable Bluetooth Version: 50 With Microphone: No Is wireless: Yes Support APP: No Support Memory Card: No Waterproof: No Resistance: 32Ω Line Length: 0m Frequency Response Range: 20 - 20000Hz Plug type: Line Type Function: Common HeadphoneFor Mobile PhoneHiFi Headphone Active Noise-Cancellation: No Volume Control: Yes Control Button: No Vocalism Principle: Dynamic Wireless Type: bluetooth Charging Method: cable Brand Name: FGHGF Material: PVC Communication: WireLess Resistance: 32 Line Length: 1 Style: Headphone Plug Type: none Waterproof: No Is wireless: Yes Vocalism Principle: Dynamic Support Memory Card: No Origin: Mainland China Active Noise-Cancellation: No Certification: CE Earcups Type: Sealed With Microphone: No Wireless Type: bluetooth Function: For Outdoor Support APP: No Impedance Range: up to 32 Ω Bluetooth Version: 5.0 Control Button: Yes Volume Control: Yes Category: Earphones & Headphones Choice: yes semi_Choice: yes Bluetooth technical parameters: 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: DC5V Maximum input current: 150mah Maximum input power: 0.55w Product packaging information   weight: 80g Size: 27cm * 10cm Packaging: Bluetooth headphones, manual, charging cable, OPP bag