weight: 11 grams dimensions: 42 x 23 x 11 mm design: over the ear, ear loop standby time: up to 150 h talk time: up to 6 hours 30 minutes left or right ear: either noise cancellation: other devices: basic call handling on/off switch: yes voice dialing: yes mute function: yes voice command: yes volume control: yes call function: yes, answer/end, reject calls transmit range: 10 meters parallel imported warranty: warranty one year delivery within 2-4 business days