Auricolare stereo wireless universale compatibile con Bluetooth In-Ear 4.0 per PC, sport, 1

Specifications: 4.0 smart chip, efficient transmission speed. Compact, ultra light design stereo bluetooth-compatible headset, portable and easy to carry. High-fidelity sound quality, wireless songs enjoy. Voice report number, low power remind, connect/disconnect remind, boot off prompts. Allows you to conveniently answer calls while driving. Supports two mobile phones simultaneously connected. Long battery life, fast charging. Support for WeChat, QQ voice calls, movie. Compatible for almost all the mobile phones and tablet PC, etc. With A2DP/AVRCP high-quality stereo audio transmission and remote control protocol. Powerful noise cancellation circuit.(Active Noise Reduction.) Wired and bluetooth-compatible automatically switch to support audio input. Charging time is about 1 hour.(Power Indicator Charging: blue light lights, fully charged: blue light goes out.)   Type: bluetooth-compatible Wireless Earphone Sound Track: Stereo Impedance: 32 OHM Earpiece: Single Transmission Range: 10m Fit Design: In-Ear Only Compatible Brand: Universal Battery Capacity: 50mAH Earpiece Design: Earbud (In Ear) Material: High Technology PVC Bluetooth Version: bluetooth-compatible v4.0 + EDR Power Level: CLASS II Output Power: 30mW Bluetooth Distance: 10 Meters Barrier Frequency Response: 20-20000 Hz Operating Voltage Range: 3.0V-4.2V Microphone Sensitivity: -42dB Play Time: About 4 – 5 Hours Charging Power: DC5V Power Interface [The Hole] (Computer USB port, mobile phone charger, car charger.) Compatible: for Android, Apple, Microsoft, Symbian 99% of with bluetooth-compatible Cell Phones(iOS Cell Phone Has Power Display) Size(Dia x W x H): 20mm x 15mm x 18mm/0.79" x 0.59" x 0.71" (Approx.)   Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x Wireless bluetooth-compatible Headset (with Built-in Rechargeable Li-ion Battery) 1 x USB Charging Cable 1 x User Manual