POLEND [Right Ear Version] The Smallest Music Phone Calls Hands-Free Stereo Mini Bluetooth 4.1 Stereo in-Ear Wireless Headphones Earphones Headset Earpiece Earbuds for All Smartphones/iPad (Khaki)

Product Features:
1. Drive: 40 mm
2. Impedance:32 OHM
3. The Bluetooth version: Bluetooth v4.0 + EDR
4. The level of power: the CLASS II
5. The output power: 30 mw
6. Bluetooth distance: barrier-free 10 meters
7. Frequency response: 20-20000 hz
8. Working voltage range: 3.0 V to 3.0 V
9. Microphones sensitivity: - 42 db
10. Has the A2DP/AVRCP high-quality stereo audio transmission and remote control protocol
11. A powerful noise de-noising circuit (active noise control)
12. The charging time is about 1 hour (charging power supply instructions: red lights, full of electricity: go out.)
13. Product Dimensions: 20 mm(diameter) X15 mm (wide)X18 mm (high)

Package included:
1* Mini Bluetooth headset
1* USB Charging Cable
1* User Manual