Communication: Wireless+Wired
Connectors: 3.5mm
Wireless Type: Bluetooth
Vocalism Principle: Dynamic
Brand Name: SIFREE
Style: Headband
Control Button: Yes
Volume Control: Yes
Active Noise-Cancellation: Yes
Function: For Internet Bar,for Video Game,Common Headphone,For Mobile Phone,For iPod,HiFi Headphone,Sport
Plug Type: Wireless
Sensitivity: 123dB
Frequency Response Range: 20-20000Hz
Line Length: None
Resistance: 32Ω
Waterproof: No
Model Number: CHS02 Bluetooth wireless Headphone
Support Memory Card: Yes
Support APP: No
Is wireless: Yes
With Microphone: No
Material: Plastic
Size: 13.8 x 11.3 x 7 cm
Power supply: Built-in 3.7V 300mAH Li-battery
Charging voltage: DC 4.2-5.5V
Charge time: Approx.3h
Playing time: Approx.4h
Standby time: 100 h
Bluetooth version: V4.2
Bluetooth effective range: About 10m/393
Frequency response: 20Hz-20KHz