The earphone features bone conduction technology, helping reduce pressure on the ears for comfortable wear. Equipped with a high-performance, large-capacity battery, it delivers up to 13 hours of music playback. Made from high-quality ABS material, the earphone is lightweight and durable. Product dimensions are 14cm in length, 9cm in width, and 4cm in height. Compatible with all Bluetooth-enabled devices such as smartphones and tablets. Item Name: Wireless Earphone Material: ABS Battery: Built-in 170mAh Rechargeable Battery (Included) Bluetooth Version: 5.2 Music Playback Time: 13 hours Call Time: 15 hours Connection Range: 10 meters Supported Protocols: HSP, HFP, A2DP, AVRCP Driver Material: Double Composite Membrane Features: Bone Conduction, Low Latency, Clear Sound Product Dimensions: 14cm x 9cm x 4cm / 5.51" x 3.54" x 1.57" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Wireless Earphone 1 x USB Cable 1 x User Manual