HUAWEI FreeBuds Wireless Bluetooth Earphones Black (CM-H1)

Brand:HUAWEI
Model:CM-H1
Bluetooth:V4.2
Bluetooth protocol:A2DP 1.3 ,(HFP)1.6,(HSP)1.2, AVRCP
Frequency range:20 Hz – 20,000 Hz
Charging time:approx. 1 hour
Battery:55mAh, Lithium ion button battery.

Indicator light :RGB LED tricolour light :
1.Charging status indicate;
2. Charging box/battery life indicator
3.Charging box in low power;
4.Recover factory setings indicate.

Charging port:via Charhing box Pogo Pin
Input:5V—1.1A
Theoretical standby time:about 40 hours
Noise reduction level:ANR White noise > 25 dB, Hoth noise> 25 dB ,Traffic noise > 25dB, Wind noise WNR < 75 dB
Microphone:Double silicon wheat, support talking uplink Noise reduction
Trumpet:1 Experience Balance Armature+ 1 DYNAMIC ( diameter 7mm)
Weight:5.6±0.5g
Operation Temperature:-10ºC~55 ºC
Charging Temperature:0ºC~45 ºC
storage temperature: -40ºC~70 ºC
yeelight blue Technology: through SRRC, CE,FCC,BQB