Oumij Wireless Bluetooth Headset Business Headphones In-Ear Bluetooth Earphones with HD Microphone for Noise Cancelling 70 Days Standby Function for Business/Training/Driving

• Long standby time: the built-in large capacity battery supports more than 32 hours talk time and an extremely long standby time of up to 70 days, based on a single full charge, which only takes about 2.5 hours. Intelligently compatible with almost all Bluetooth devices - enabled mobile phones, tablets and other devices. You can check the remaining battery power on iOS devices like iOS.
• 【HD Sound Quality】HD stereo ambient sound. Independent design of the metal cavity for strong interference ability and reduction of distortion. Guarantees excellent sound quality. Waterproof design, ideal for sports and daily use. Sweat does not affect the normal use of the headset.
• Bluetooth 4.1 technology: allows stable signal transmission and a long range of up to 10 metres in open area. CVC noise reduction technology maximizes signal quality for clearer and more stable phone calls. A multi-function button for easier operation than conventional headphones with many control buttons. Unique CD design that also feels comfortable.
• Ergonomic design: ergonomically shaped and over the ear design for a comfortable fit around your ear, does not cause any strain even after prolonged wear. With the 180° rotating headphone head, you can adjust the angle and insert this headset into the right or left ear.
• 【Customer Service】If you have any questions after purchasing this Bluetooth headphone, please contact us. We will do our best to solve your problem.

Description Description: The Bluetooth headphones with noise reduction microphone deliver crystal clear sound and guarantees a clear phone conversation even in noisy environments. Ideal for training and for drivers/truckers to entertain with people who are on the go. Amazingly long standby time of up to 70 days, so you can enjoy do not charge it frequently if you do not use it very often. This wireless headset offers you more comfort and increases the efficiency of your life. Technical data: Colour: black. Material: ABS + silicone. Connectivity: Bluetooth Bluetooth version: 4.1. Transmission distance: up to 10 metres (open area). Music time: approx. 24 hours. Call time: approx. 32 hours. Standby time: approx. 70 days. Charging time: approx. 2.5 hours. Battery capacity: 300mAh Language: Chinese/English Product size: approx. 65 x 45 x 18 mm/2.5 x 1.8 x 0.7 inches. Package weight: approx. 85 g. Package list: 1 x Bluetooth headset. 1 x USB charging cable. 3 x replacement earphones. (Other) Items in the pictures are not included.)