Product Name: Bluetooth Earphone, Version 4.10 EDR, Anti-Seat Design Model NO.: AD-555 Color: Multi-Color Function: HiFi, RF, Multimedia, Bluetooth, Sport, Mobile Phone, Noise-Cancelling Style: Ear Hook Feature: Fashion, Colorful Bluetoth Version: 4.1 2.0 Channel: Yes Sound Control: Yes Working Distance: 10 Meter TF Card Supported: Yes Line-Control: Line-Control Jack Type: 3.5mm Microphone: With Microphone Type: Wireless Earphone Use: Household Earpad Size: One Size Wire Material: PU Trademark: TYSEHN or OEM Transport Package: Color Box Specification: CE/ROHS/FCC Origin: Shenzhen, China HS Code: 8518300000 Product Description Bluetooth Version4.1 EDRDistance10 MeterVolume ControlYesTF Card PlayerYesVolume ControlYesCable Length0.6 MSports bluetooth earphone with Free TalkBlutooth HeadsetBluetooth version:V4.1+EDRDistance:10 meterRange of Frequency:2.4-2.4835 GhzSensitivity:-85 dBMP3 supportedTF card supported:128M-32GMusic format:MP3/WMARechargeable lithium battery:120 mAhSpecifacation of headphoneType:stereo headphone with MICSpeaker:OD 10MMSensitivity::115 dB S.P.L at 1KHzImpedance:32 ohmFrequency response:20Hz-20 KHZRated power:40 mWPower consumption: 100 mWCable length:0.6 MMicrophone Unit:-58 dB±3dBTalk Time:Up to 5 hoursMusic Time:Up to 4 hoursStandby time:up to 120 housCharging Voltage:Micro USB 5VCharging Time:2 hous or so