This open ear Bluetooth headphones with removable mic won’t cover your ears very tight so can wear long time and still feel comfortable, it also ensure your security while driving, biking, hiking, and other outdoor activities. Features: Made of high quality ABS+PC+Silicone materials, it's comfort and durability. The open-ear design brought by air conduction technology ensures long-lasting comfort and allow you to stay connected to your surrounding environment and pedestrians or vehicles on the road, providing security. Adopts the Bluetooth 5.3 technology, which makes Bluetooth connection quickly, efficiently and stably, the transmission range is up to 10m. Adopt noise reduction technology, so caller can hear your voice clearly without too much background noise. The mic of the headset can rotate to 360°, you can freely adjust the microphone to the perfect angle. With removable mic design, it's convenient for you to use according to different occasions. Built in 150mAh battery, the charging time is about 1.5 hours and the working time is up to 10 hours (At 80% power). It's suitable for driving, travel, hiking and business activity etc. Specifications: Material: ABS, PC, Silicone Color: Black Bluetooth Version: 5.3 Transmission Distance: 10m Battery Type: 1 x 150mAh Battery Charging Time: 1.5 Hours Working Time: 10 Hours (At 80% power) Stand-by Time: 150 Hours Power Supply Method: USB Charging Cable ( Power Adaptor Not Included ) Headphone Size(LxWxH): 13.4 x 9.3 x 4.6 cm(Approx.) Package Contents: 1 x Wireless Headphone 1 x USB Charging Cable 1 x User Manual Please note: Due to manual