Product Description Specifications The Richmond True Wireless Stereo earbuds offer a fast, reliable and convenient pairing to your devices with exceptional studio-quality sound. The ultra-lightweight sweatproof earbuds ensure a comfortable fit. At the same time, the on-bud controller helps with track selection, volume control and answering calls, leaving your hands free while driving or working. Simply recharge the TWS earphones by placing them back into their charge case. Includes travel charge case, micro USB charge cable, 3 sizes of earbuds and user manual. Material: ABS. Product Size: 25 x 19 mm dia. (ear buds), 54 x 34 x 30 mm (Charge Case) Branding Area: 20 x 15 mm, (case top or front) Standard Packaging: White Gift Box Certification: CE, FCC, RoHS Specifications: Bluetooth Version 5.0, Protocol: A2DP, AVRCP, HSP, HFP. Earphones - Play Time: 2.5-3.0 Hours, Speaker Size: 8 mm, Frequency Range: 100Hz - 20KHz. Working Range: 10-15 metres. Battery: Lithium Polymer, Capacity: 45 mAh (x2), Charge Time: 1.0-1.5 Hours