esonstyle Bluetooth Headphones Over Ear Foldable Wireless and Wired Stereo Headset with Mic Soft Earmuffs Light Weight for Phone TV PC Online Class Home Office

Features:

Space-saving foldable headband
Enjoy wonderful stereo music and hands-free calls
Enhanced bass and full-range sound for dynamic audio.
Sound-isolating design
3.5mm audio jack
Built-in rechargeable lithium-polymer battery
Along with 20mW long-term input power for impressive sound
Can freely control the switch of previous song and next song, pausing song, answering calls, ending calls, refusing the incoming call, dialing the last number, volume control

Specification:

1. Bluetooth 3.0
2. Receiving Range: 10M
3. Frequency response: 20-20KHZ
4.S/N ration>90db
5.THD