Highlights
Adjustable at any angle, suitable for all types of models to use
Support FM full-frequency launch function
Support digital display
Supports LINE audio input
Support the car battery voltage display / load current display
Support U disk play
Support MP3 format music
Bluetooth answer, hang up, refused to receive, redial call and other functions
Support for Bluetooth stereo music player
Call cancellation and noise suppression (CVC) technology
support dual USB output voltage, the other equipment power supply, the maximum output 5V / 2.1A
Automatic power off memory function
Specification
General
Brand: Earldom
Model: BC23
Type: Car MP3 Player
Features: Breakpoint memory playing,Controllable power switch,Wide voltage design
Connection: USB 2.0
Material: Electronic Components,Plastic
Color: Black
Power
Voltage: 5V
Working Voltage: 12-24 V
Product Details
Music Source: Cellphone
SNR (dB): More than 60db
Degree of Distortion (%): Less than 0.1 percent
Freq. Response: 20Hz - 15Khz
Bluetooth Version: V4.2
Bluetooth protocol: With DSP technology and A2DP (Advance Audio Distribution Profile) function
Transmit Distance: 10m
Transmit Freq.: 87.5 - 108MHz
Media Format: MP3
U disk:1G-32G
Dimension & Weight
Product weight: 0.0360 kg 
Package weight: 0.0630 kg 
Product size (L x W x H): 10.30 x 3.30 x 3.00 cm / 4.06 x 1.3 x 1.18 inches 
Package size (L x W x H): 14.00 x 5.00 x 3.50 cm / 5.51 x 1.97 x 1.38 inches
Package Contents
1 x BC23 Car Charger Bluetooth FM Transmitter
1 x English User Manua