Description:Features:Smart design, comfortable and show your own styleCall &vibra activationFlexible tie, wear comfortableSimple magnetic earbuds receive absorption functionNoise reduction and echo cancellation digital signal processingSupport multi links, can support a communication device and an audio device in the same timeAutomatic reconnection, easy to matchSpecial sound and switch Control buttonBlue LED indicator, 3D wheel rolling button, easy to operatingFull directivity, high sensibility microphone, clear and smooth for voice chattingInnovated double damping balancing technology present perfect musicIn-ear design, keey the noise out  Specification:1. Outstanding Voice quality2. Build in Micphone,easy free talk3. Fashion Design, easy to carry4. Bluetooth version: Bluetooth version: 4.0+ EDR5. Transmission range: 10m6. Compatible with any Bluetooth enabled devices7. Color: White, Black8. Talking on the phone function: you can talk on the phone for about one hour in the state of full power.9. Support music playing.Product parameters:1- Charging voltage: MICRO USB 5V2-Working current: 25-30mA3- Bluetooth Working range: 10M4-Output power: 2x20mW5-Frequency range: 2.401-2.480GHz6- Distortion factor: ≤1%7-Frequency response: 20Hz-20KHz8-Working Time: About Music state 4 H/ Talking state 6H9-SNR: S/N≥9510- Charging Time: 2-3hSpecifications:Wireless Bluetooth Headset Sports Bluetooth Earphones Hanging neck Headphone with Mic Bass For Apple SamsungPackage Included:1*Headphone4*Earhook1*Cable1*Manual