Product Description Specifications Ear Bud is a Bluetooth earphone with hands free function. Simply pair to your smartphone and leave it in your pocket during exercise, work or play. Designed to fit your ear perfectly for optimal comfort and includes micro USB charge cable, replacement ear pads and user manual. Material: ABS, Metal. Product Size: 50 x 12 x 10 mm (controller), 60 cm (cable) Branding Area: 35 x 4 mm Standard Packaging: White Box Certification: CE, FCC, RoHS Specifications: Bluetooth: v4.1 + EDR, Support Protocol: A2DP, AVRCP, HFP, HSP, Impedance: 16Ω, Max Power: 5m Watt, Frequency: 20-20 KHz, Operating Distance <10 metres, Battery: Lithium-polymer, Capacity: 55 mAh, Charging Time: 2 Hour, Working Time: 3-4 hours, Stand