Product Description Specifications The Elkins TWS earbuds featuring Clear Voice Calling (CVC) and Bluetooth 5.1 provide fast and reliable auto-pairing while delivering High Definition stereo sound. The ultra-lightweight, noise-cancelling earbuds ensure a comfortable fit while at the same time, the on bud easy to operate multifunction button; provides a track selector, volume control and one-touch call-back function leaving your hands free while out and about. Recharge the long-life earbud batteries by placing them back into the charging case. Includes travel charge case, three silicone earbud sizes, Type-C charge cable and user manual. Material: ABS. Product Size: 55.5 x 51 x 30.5 mm (earbuds), 56 x 52 x 31 mm (charge case) Branding Area: 30 mm dia. (Charge case), 10 x 4 mm (Earbud stem) Standard Packaging: White Gift Box Certification: CE, FCC Specifications: Bluetooth Version: 5.1, Protocol: A2DP, AVRCP, HSP, HFP, Noise Cancelling Twin Stereo. IPX5 Waterproof rating, Earbud Battery: Lithium Polymer, Capacity: 30 mAh (x2), Earbuds Charge Time: 1.0-1.50 Hours, Earbud Play Time: 4.0-5.0 Hours, Frequency Ran Standard Accessories: Type-C Charge Cable, 3 x Silicone earbuds, User Manual