Colors : Rose glod/ champagne glod /skye blue
Bluetooth Version : 4.2
Bluetooth Solution : action
Bluetooth Power: >21m
Speaker power:5W
Music play/pause : play/pause
music next/previous : separate button control
music volumn :YES
Micphone Tone : YES
Micphone Volumn : YES
TF Play back :YES
TF card recording : YES
Middle Connection Part : hard-plastic
Battery Capacity : 1300mAh
Music Duet : YES
SNR: 85dB(THD+N=1%)
frequency:80Hz--20kHz
Bluetooth Protocol:A2DP/AVRCP/HEP/SPPBAS/DIS/…
Bluetooth audio decoder : DAC/ADC:44.1kHz/48kHz
Bluetooth working frequency:2.404G-2.48G free to ISM frequency
Demodulation format:GFSK
transmitt power:2.56dBm
SD/MMC(maxium capacity):128GB
Audio decoder format:Full audio format,inluding APE/FLAC
MIC Audio Output: load 10Kohm 100Hz--15KHz 300mVrms
Mic: Condenser mic Φ9.7mm single direction
Mic sensitivity:mic core :-46dB
"MIC reverberation time:" : 40-196ms
Speaker:Φ52mm 4ohm 5w