CanGong Mini 503 Wireless Type Headset Stereo Earphone

Channel:stereo
Version:V3.0 + EDR
Function Keys : Volume + -, music playback, pause, previous song, next song
Model:Mini 503
ini 503 Wireless Type Headset Stereo Earphone ,Mini-503 V2.1+ EDR Stereo Behind-the-Neck Headphone - Black + Blue from bangood.
Main Chip:3.0 + EDR
Weight:40g
1 x Mini 503 Headset
Supported File Formats: A2DP, Headset and Handsfree mode
Supports all devices,then hang up, reject calls, last number call-back
Long talk time,all phones universal, Music player with A2DP
Transmission Distance:10
Talk Time:14 hours
Transmission Power:Class2
Compatible With:V2.1, V2.0, V1.1
Battery:Rechargeable Lithium Polymer
Frequency Response Range:20-20KHZ
Transmission Frequency:2.4GHz
1 x USB
Speaker:Ф30 speaker
Standby Time:250 hours
Voltage:3.7V
Frequency Range:2.4G
Average Sensitivity:105DB (AT 1KHZ +3 DB)
Charge / Discharge : IC