Specification:
Support TF card
Model: Mini 503
Weight: 40g
Voltage: 3.7V
Channel: stereo
Talk Time: 14 hours
Main Chip: 3.0 + EDR
Speaker: Ф30 speaker
Standby Time: 250 hours
Bluetooth Version: V3.0 + EDR
Compatible With: V2.1， V2.0， V1.1
Charge / Discharge protection: IC
Battery: Rechargeable Lithium Polymer
Frequency Range: 2.4G
Frequency Response Range: 20-20KHZ
Transmission Power: Class2
Transmission Frequency: 2.4GHz
Transmission Distance: 10 meters
Average Sensitivity: 105DB (AT 1KHZ +3 DB)
Supported File Formats: A2DP， Headset and Handsfree mode
















    Long talk time，all phones universal， Music player with A2DP
    Function Keys : Volume + -， music playback， pause， previous song， next song
    Supports all bluetooth devices，then hang up， reject calls， last number call-back
    Support TF card


    1 x USB Cable
    1 x User Manual and Guide
    1 x Bluetooth Mini 503 Headset