Metal Magnet Wireless Bluetooth Earphone Headset Headphone For iPhone Samsung Specifications: 100% brand new and high quality Magnetic suction design, easy to wear 3D stereo,Leisure listen to the music,Call Bluetooth protocol:HFP, HSP, A2DP, AVRCP Internal resistance:32Ω Signal to noise ratio:85dB Frequency response range:2.4-2.48GHz Rated voltage:3.7V Bluetooth Version:V4.1 Operating Distance:10m Using Time:4 hours Standby Time:120 hours Battery:55mAh Rechargeable lithium battery Compatible with: Compatible Bluetooth version: V4.0/V3.0/V2.0/V1.2/1.1 iPhone 6 6 Plus 5S/ 5C/ 5/ 4S/ 4/ 3GS/ 3G iPad 4th, 3rd, 2nd, 1st, iPad Mini iPod Touch 4th/ 5th/ Nano 7/ ipod shuffle Samsung Galaxy S6 S5 S4 S3 S2, Note 5/ Note 4/ Note 3/ Note2, Tab Series HTC One M7 M8 Desire X Series S V Sony Xperia Z1 Z2. LG Pro 2 Series compatible with most Bluetooth devices. Package Includes: 1x Bluetooth headphone 1x USB Charging Cable 1x Manual