X-450 BT HEADPHONE
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 10 hours
Play time: 4 hours
Standby time: up to 20 days
Working temperature: -20 ? C -55 ? C.
Other functions: support TF card (maximum 32GB, need to purchase separately) support status indicator, charging indicator display
Note: Please check with us on availablity of colors in stock.