Wireless Headphone Bluetooth Headset Support Phone/PC (HF-BH300)

Technical Parameters:
1)Compatible with all audio equipments including Bluetooth functions, such as PC, iPad, iPod, cellphone, tablets, MP3
2)CSR solution, HSP, HFP, A2DP, AVRCP
3)Bluetooth protocol standards: Bluetooth V2.1+EDR
4)Receiver distance: 10m / 360°
5)Carrier frequency: 2402MHz-2480MHz
6)USB interference: High speed USB 2.0
7)Battery: Chargeable 3.7V/250mA/h lithium battery
8)Charging time: Up to 3 hours
9)Successive working time: Up to 10 hours; Standby time: 180hours or longer
10)Frequency response: 20Hz— 20kHz
11)S/N ratio: _82dB
Features and Function:
* Big structure headphone, with soft leather headband and ear caps; Comfortable wear feeling Semi-closed and semi-noise cancelling model
* Inside mechanical stainless steel tensile structure; More strong structure; High quality; Adjust headband size better
* 90° Rotary design; More flexible headphone housing
* Detachable lithium battery; Long-time using headphone; Also can be charged by the universal charger beside the USB cable
* 3.5mm audio hole; Also can be as the wired headphone, just simply attached 3.5mm audio cable.
* 6 press button design