Ultra Long Battery Life Bluetooth 5.0 Wireless Stereo Headphones-Bluetooth Headphones

Description
*There are multiple listening options for headphones. Through the built-in TF card slot, you can connect the TF/Micro SD card with the loaded MP3 music and listen to the songs directly on the headset.
*Using Bluetooth 5.0 CSR chipset design, can reduce power consumption and improve compatibility.
*Compatible with any phone, tablet, laptop, Bluetooth device or device with a 3.5mm audio jack.
*40mm thin-film speaker driver, deep sound quality stereo, enjoy high-quality wireless music.
*Soft leather ear cushions and retractable headband lighten your ears. Wearing for a long time will not feel discomfort
*The ergonomic design can simulate soft earmuffs according to the human skin texture to ensure long-lasting comfort.

Specification
Bluetooth version: V5.0.
Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5.
Frequency: 2.402-2.480GHZ, 2.4G ISM frequency band.
RF performance: Receiver sensitivity: -84dBm; transmit power up to 4dBm.
Frequency response: 20Hz-20KHz
Signal to Noise Ratio (SNR): 70Db.
Total harmonic distortion (THD) 0.1%.
Charging port: Mini 5-pin USB charging port.
Normal charging time: 1 -2 hours.
Talk time: up to 10 hours.
Battery:400mAh
Working temperature: -20°C-55°C.
Other functions: support TF card,AUX-In
Color: black/white/ red

Package Included:
1 x Bluetooth headphone
1 x charging cable
1 x 3.5 mm audio cable
1 x manual

note:
Due to different computer resolutions, some color distortion may occur.
Due to manual measurement, please allow 1-3mm error, please make sure not to mind before bidding.