Wireless Bluetooth Headset Headphones, Bluetooth 15m Portable Foldable Simple Deep Sound

Bluetooth Stereo Headphones, Bluetooth 4.1, Noise Reduction, Line-in Function & Hands-free Supported, OEM/ODM available. Features: Driver Unit: ø40mm x 2 Impedance: 32Ω Sensitivity: 97±3dB S.P.L at 1KHz Response (system): 20Hz~20KHz Rated Power: 20mW Aggregate capability: 40mW Power Supply: Lithium battery/DC 5V Built-in 400mAh rechargeable battery Plug Type: Micro USB Bluetooth Version: V4.0 Support: HSP, HFP, A2DP, AVRCP profiles BT Transmission distance: 10-15m Built-in microphone for calling function Soft headband & ear pad to bring comfortable wearing Unique & fashionable design Clear & powerful sound Support AUX IN function Shenzhen Aoni Electronic Industry Co., Ltd For more information, please visit at: http://www.anc.cn/