MP3 Player Bluetooth Headphone, Wireless Sport Headset MP3 Player With FM Radio, Stereo Earphone TF Card MP3 Max to 32GB

Description : Mini 503 Bluetooth Wireless Type Headset Stereo Earphone ,Mini-503 Bluetooth V2.1+ EDR Stereo Behind-the-Neck Headphone Feature: 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 Specification: Model:Mini 503 Weight:40g Voltage:3.7V Color: red, blue,champagne,white,golden Channel :stereo Talk Time:14 hours Main Chip:3.0 + EDR Speaker:30 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 Package Included : 1 x USB Cable 1 x Bluetooth Mini 503 Headset (not include package box)