Digitek DBE022 ergonomically designed drivers come along with super-soft and flexible ear plugs making them extremely comfortable for long music sessions and calls. DBE022 supports Bluetooth v4.1 and ensures perfect stereo sound quality within strong operational range of 10m. It has a built-in rechargeable lithium battery, Noise Isolation technology, inline remote control with mic and has designed to give you the wireless feel of music be it when you’re driving, working out or doing any other kind of activity. So just sit back enjoy the world of Music. Bluetooth Version : V 5.0, output power : 10mW x 2, working distance : 10 Meter ( Barrier free space), working hours : 8 hours talk time/playing music, standby time : 180 hours, charging time : <2 hours, charging voltage : DC 5V, speakers : 10 mm, impedance : 16 Ohms, frequency response : 2.402-2.402GHz, battery capacity : 200mAh, transmitting power : Class 2. Secure and comfortable fit during workouts. Independent audio controls. Noise reduction and echo cancellation. Micro USB charging and TF card slot. Call alert by vibration and one click answer and reject. Easy slide on/off switch. Easy adjustment of volume and playing next song.