M15 Product specification:
Bluetooth Version:4.0 Version
Bluetooth Profile (such as A2DP, HSP, etc):A2DP
Branding of Chipset:BK
Output Power & impedence (W & Ω):4Ω 5W*2 ,
Frequency Response (Hz / KHz):80Hz -20KHz
Sensitivity (dB):>80 dB
Distortion degree of:>1%
NFC :NO
TF card / SD card play features/USB sound card:NO
Voice Guidance Features :YES
Microphone:YES
Handfree Features:YES
Battery type, capacity, voltage:rechargeable Li-battery,1500mAh,3.7v
Working time:3.5hours
Charging Port Type:micro usb
Materials:ABS,metal ,silicone
Availablr color for selection:plastic housing is black, aluminium shell is any color
Product dimension (mm / cm):198*84.5*64.5mm
Weight (g / kg) :550g
