Sony Headset WIC310W.CE7

Sony WI-C310. Product type Headset. Wearing style In-ear. Neck-band. Recommended usage Calls & Music. Connectivity technology Wireless. Bluetooth profiles A2DP.AVRCP.HFP.HSP. Frequency band 2.4 - 2.4835 GHz. Ear coupling Intraaural. Headphone frequency 20 - 20000 Hz. Intraaural headphones type Earbuds. Microphone type Built-in. Continuous audio playback time 15 h. Battery recharge time 3 h. Charging source USB