TG808 In-ear Earphone Stereo Sound Box Outdoor Hands-free Sport Earphone Sports Speaker Wirele Subwoofer For All Smartphones Description: 1. Bluetooth specification: Bluetooth 5.0 2. Support Bluetooth protocol: Support L2CAP/A2DP (AVCTP/AVDTP/AVRCP), which is used to receive stereo audio signals, and control the up-and-down operation of the audio transmitter through the protocol; Supports HSP/HFP (Handsfree profile), with hands-free function, and voice communication 3. Wirele transmiion range: 10M 4. Audio performance-to-noise ratio: 85db 5. Battery capacity: 500mAh 6. Built-in voltage: 3.7V 7. Normal volume playback: 1H~2H 8. Horn specification: 52MM * 1 9. Horn power: 4 /5W * 1 10. Frequency response: 120HZ-20KHZ 11. Product size: L98 * W98 * H38MM 12. Package size of single machine: L158 * W140 * H56MM 13. Box gauge: 60PCS/CTN 14. Outer box size: 57.5x32.9x43.8CM 15. Single unit weight: 175g 16. Net gro weight: 16.2/17.2KG 17. Charging voltage: 5V/500MA Specifications: 1. Handsfree call, one-touch release of hands 2. Full compatibility 3. Multi-color options 4. Compact and portable 5. Endurance Package Included: 1 * Bluetooth audio, 2 * headset, 1 * data cable, 1 * manual