Ninja Dragon M12PRO Surround 3D Sound True Wireless Bluetooth 5.0 Earbuds Using latest technology for super fast and simple pairing process. Simply remove the storage box, and the headset will automatically turn on and pair.   Specifications: Bluetooth version: version 5.0. Protocol: HFP 1.7, HSP 1.2, AVRCP 1.6, spp 1.2 and pbap 1.0 are supported Range distance: Up to 30 ft Talk time / Music playing time : 5-6h (one full charge) Standby time: Up to 500 hours with the use of the powerful 8000mah charging case Frequency: 2402 MHz ~ 2480 MHz. Battery type: 3.7V, >; 50mA lithium battery Operating temperature: - 10 ° - 55 °. Input current: 5V 1A Output current: 5V 1A Charging time: 1-2h   Package included: 2 x Earphones 1 x Charging Case 1 x User Manual 1 x Charging Cable