Écouteurs Bluetooth ouverts USAMS R02, véritables écouteurs sans fil à conduction osseuse, autonomie ultra longue, son de haute qualité

Ultra-light ear hooks, 270° even force distribution, skin-friendly memory silicone, fits snugly in the ear canal, stays in place even when you shake your head vigorously, does not enter the ear, truly imperceptible, comfortable to wear for long periods of time 11mm large dynamic driver, high-resolution immersive sound quality, panoramic sound effects recreate the sound field, powerful surround sound brings a revolutionary realistic listening experience Directional sound isolation, real-time calibration of sound waves entering the ear, directional sound propagation, preventing sound leakage. Combination of metallic finish coating and precision electroplating process. Single charge lasts up to 6 hours, with the charging case providing an additional 20 hours of battery life. Charge once a week and say goodbye to battery anxiety. Bluetooth 5.3, instant connection response, enhanced signal penetration. Specifications: Material: ABS+PC Dimensions: 4.6 x 6.3 x 2.7 cm Talk time: 5 hours Playback time: 6-7 hours Charging case battery capacity: 300mAh Charging case charging time: 2 hours Earbud battery capacity: 50mAh Earbud charging time: 1 hour