Battery: 2 x AAA batteries (not included) Cable length: 45cm( shortest) Battery life: 15 hours Color: Black Material: Plastic With speakers and microphone， cool fashion and comes with back clip， is more convenient to use. Battery: 2 x AAA batteries (not included) Battery life: 15 hours Cable length: 45cm( shortest) Product Dimensions: 7.5 x 6.5 x 3.3cm， net weight: 74g Package Dimensions: 21.5 x 14.5 x 3.9cm， Weight: 137g Package included: 1 x Micphone & Speaker