1. Bluetooth solutions: 5.3 EDR, A2DP, HSP, AVRCP 2. Frequency: 2.4GHz-2.48GHz 3. Power supply: DC 5V (Built-in 180mAh battery) 4. Bluetooth receiving function: connects to one mobile phone 6. Supports TWS dual-device interconnection function 7. Power supply: Type-C interface 8. Widely compatible; connects to audio playback devices with speakers, receiving Bluetooth signals for wireless music playback 9. Supports CD-level high-fidelity stereo sound quality, clear sound, enjoy beautiful music 10. Connects mobile phones to ordinary speakers for wireless audio playback; supports call noise reduction technology; built-in power isolation module; one-button HD calling 11. Built-in high-capacity rechargeable lithium battery; 2 hours of charging provides 6 hours of continuous music playback, longer battery life; can be used while charging when the battery is low, convenient and worry-free 12. Dimensions: 53.76x47.55x14mm
