Description
450BT Wireless Bluetooth Headphones with Mic Hi-Fi Stereo Headset Deep Bass Over Ear Headphone Bluetooth
Specification:
- Item Type: Bluetooth Headphone
- Bluetooth version: v5.0
- Bluetooth mode support: A2DP 1.2, AVRCP 1.4, HFP16
- Frequency: 2.402-2.480GHz, 2.4G ISM band
- RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm
- Frequency response: 20 Hz-20 kHz
- Signal to noise ratio: 70dB;
- Total harmonic distortion rate (THD) 0.1%
- Power indicator: red and blue flashing
- Headphone battery: 400mAh lithium battery
- Charging time: 2.5 hours
- Call time: about 4 hours
- Play time: 3-4 hours
- Standby time: up to 20 days
- Working temperature: -20 ° C -55 ° C.
- Other functions: support TF card (maximum 32G, need to purchase separately) support status indicator, charging indicator display