Functions: bluetooth player, answer/hang up, aux audio input, usb charging
voltage/current output: 4.75v-5.25v/1a
bluetooth: bluetooth csr 4.0
buttons: on/off, answer/hang up, vol+/pre, vol/next.
transmission range: about 10m
power interface: usb micro
power input: 5v/1a
usb output: 5v/1a
play mode: auxin. bluetooth
bluetooth mode: a2dp/avrcp/hfp/hsp
audio format: wav ape flac (also support mp3, wma)
speaker specification: 45mm 40 3w
vibrating diaphragm size: 50*90mm
microphone: 1 pcs
battery: 3.7v 5200ma/h (18650*2)
play duration: =8h
battery power display: led*3
bluetooth working status: led*1
performance
frequency response: 80hz-20khz
frequency range: 2.4~2.48ghz
snr: =75db
distortion: ≤1%
attributes
size: 40*98*170mm
color: black