ONIKUMA TX610 Dual Mode 2.4G Receiver and Wireless Bluetooth Earphone 1. Hall effect switch design automatically connects to your phone upon opening the cover. 2. ANC + ENC dual noise reduction delivers clearer sound quality and an immersive listening experience. 3. Supports 2.4G and wireless connection modes, and is equipped with dual USB-A and USB-C receivers for low latency and smooth playback. 4. Touch control allows for easy playback, song switching, and call answering with a simple touch, ensuring ease of use. Specifications 1. Chipset: Jerry AC7003D4 2. Bluetooth Version: V5.4 3. Connection Distance: 15m 4. Connection Method: 2.4GWireless 5. Audio Format: SBC, AAC 6. Rated Input: 5V300mA 7. Frequency Range: 20Hz-20kHz 8. Charging Time: Approximately 2 hours 9. Single Playback: Approximately 7 hours 10. Playback Time with Charging Case: Approximately 35 hours 11. Headphone Battery Capacity: 40mAh 12. Charging Case Battery Capacity: 400MmAh 13. Charging Port: Type-C 14. Material: ABS 15. Dimensions: 55 x 30 x 64mm