Features: 1.Charging voltage: DC5V 150mAh 2. Working current: 25-35mA 3. Bluetooth A2DP Working range: 10m 4. Output power: 35mW 5. Frequency range: 2.401-2.480GHz 6. Distortion factor: ≤1% 7. Frequency response: 20Hz-20KHz 8. Working Time: Music/ 4-6 hours (The Volume will affect the time) 9. SNR: S/N≥95 10. Charging Time: 1h-2h 11. Talk time: 4-6 hours, play time: 4-6 hours 12. Music Playing Time: up to 4 hours 13. Frequency Response: 20 ~ 20000Hz 14. Sensitivity: 80dB 15. Impedance: 32 ohm 16.100% brand new and high quality 17.The bluetooth master control chip. 18.Can talk, listening to music 19.Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication, and music. 20.2 in a row, to the telegraph, voice prompt operation. Brand Name: FANGTUOSI Plug Type: Wireless Function: For Mobile Phone,HiFi Headphone,Sport,Common Headphone Wireless Type: Bluetooth Waterproof: No Communication: Wireless Active Noise-Cancellation: Yes Support Memory Card: No Model Number: S530 Control Button: No Is wireless: Yes Support APP: No Style: Ear Hook Line Length: None With Microphone: Yes Resistance: 32Ω Connectors: USB Support Apt-x: No Sensitivity: 122±3dB Volume Control: Yes Frequency Response Range: 20-20000Hz Vocalism Principle: Dynamic Function 01: Hands-Free Wireless Bluetooth Headset Function 02: For Mobile Phone,Sports, Running Function 03: earphone for phone Function 04: Earphone with mic Function 05: In-Ear Bluetooth Headphone Feature 1: For Samsung Sony Huawei android phones Feature 2: wireless bluetooth headphones Feature 3: fone de ouvido Feature 4: Runnng Sport Earpods ​​​Package Content : 1 x Bluetooth Headset 1 x USB Charging Cable 1 x User Manual