ITEM NAME:XG-D12 Bluetooth 5.0 Earphone Touch Control Wireless HIFI Sound Headset #SFD Product Description Description: Feature: 1. Fashionable appearance, intelligent touch, abandon the traditional button headphones to squeeze the ears. 2. USB charging convenience and fast efficiency.2. Life Waterproof. 3. Compared with Bluetooth 4.2, the new generation Bluetooth 5.0 has lower power consumption, faster transmission speed and more stable signal. 4. HiFi sound quality, better listening effect. 5. Charge at any time with charging box. 5. HiFi sound quality, better listening effect. Specification: Bluetooth chip: BT8832 (for BLUETRUM) Bluetooth version: 5.0 + EDR Horn Type: 8 Real Copper Ring Adhesive Frequency response: 20Hz-20KHz Sensitivity: 98 DB Impedance: 16ÃŽ © Rated power: 3MW Call time (medium volume): 3h Music time (medium volume): 3.2h Transmission Distance (m): 7-10m Power consumption: 18-22 mA Input power: 93 mW Headphone Charging Time: 1h Input power: 93 mW Headphone battery capacity: 55 mAh Charging box battery capacity: 350 mAh Out-of charging box time: 1.2H Battery voltage: 3.2-4.2v Packaging size: 90*60*25mm/3.54*2.36*0.98'' Weight: 95g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 X Bluetooth Earphone 1 X Charging Box 1 X Charging Cable 1 X User Manual.HiFi sound quality, better listening effect. Compared with Bluetooth 4.2, the new generation Bluetooth 5.0 has lower power consumption, faster transmission speed and more stable signal. Included: 1 X Bluetooth Earphone.