Mini Bluetooth 5.0 et with Charging Compartment Wireless Dual Call Earbuds Touch-control Button et- The product is shipped based on the color or size of the main image of the product page. The mini size is worn intimately and fits to the ear canal, graphene diaphragm, high-quality sound quality, highly restored vocals, and the call is as clear as face to face. Introduce 8mm customized HIFI full drive unit, equipped with pol diaphragm three-band balanced HIFI-level listening sense, restore high-definition vocals and music. display, call function, NFC function voice control, support music multi-point connection. : Product : Wireless Bluetooth et Transmission distance: linear distance greater than 20 meters; back distance greater than 15 meters Bluetooth version: 5.0 + EDR phone capacity: 40 mAh Music playback time: about 4 hours protocol: et / Handsfree / A2DP / AVRCP Charging box capacity: 350 mAh dby time: more than 120 hours Material; ABS Weight: 86g Product volume: 11.5 cm x 8.5 cm x 4.0 cm