Folding LED Wireless Headphones

Product information:
Color: black, blue, gray, red
Transmission range: 10 meters
Applicable occasions for gifts: opening ceremony, employee benefits, anniversary celebration, awards commemoration, trade fair, advertising promotion, festival, wedding, housewarming, public relations planning, birthday, business gifts
Function: call function, support music, led/card/FM/can be used as wired headset
Wearing method: Head-mounted
Function use: wireless headset, voice headset
Bluetooth version: V5.0
Bluetooth mode supported: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Frequency: 2.402-2.480GHZ, 2.4g ISM band
RF performance: receiving sensitivity: -84dBm; Transmitting power ≤ 4dBm
Frequency response: 20Hz-20 KHz
Signal-to-noise ratio (SNR):70Db;
Total harmonic distortion rate (THD)0.1%
Power Indicator: Blue Light
Headset charging: Rechargeable 400mAh lithium battery
Charging port: Mini 5-pin USB charging interface
Normal charging time: about 3 hours
Call duration: up to 10 hours
Music duration: up to 6-8 hours
Standby duration: up to 250 hours
Operating temperature:-20oC-55oC