Wireless Headset Handsfree Micro Earpiece for Smartphones Compatible with all models and versions of the specified brand,Wireless With Sweat-Proof Material,Bulit For Superior Comfort Can talk, listening to music, Easy to use Bluetooth 4.0,Thrilling Sound Features: #100% Brand new and high quality. # Wearing styles Ear / Stealth headphones patented product # Bluetooth version V4.0, efficient transmission speed # Compact, ultra Light Design Stereo Bluetooth Headset, Portable and easy to Carry # Support WeChat, QQ voice calls, movie # Long battery life, fast charging # Allow you to conveniently answer calls while driving # Compatible for Almost All the bluetooth enabled Mobile Phones And Tablet PC, etc. Specifications: # Transmission range:8m # Bluetooth version: V4.0 # Bluetooth profiles: Hands free / Headset Support A2DP music playback (audio output: 35mW, Play / Pause) # Talk time: 4 hours talk time (music playback three hours / standby time 120 hours / working current 15mA) # Charging Power: AC input 110-240V DC output 5V (charging time / about 2 hours / charging voltage 3.7v) # Battery type 50mA rechargeable lithium battery # Size: 27*15*1MM # Package Includes: 1 x Bluetooth Headset !!!