[bluetooth 5.0] Mini Portable Wireless Solar Charging Earphone Single In-ear Headset with Solar Charging Box

 Specification: 
- Size: single head (length: 31 MM, width: 15 MM, height: 13.3 MM); 
- Charging port: magnetic; 
- Key: 1 long press to power off (play / pause / answer / hang up); 
- Headphone charging display / charging completion display: charging red light is always on / full red light (light blue light); 
- Headphone battery: lithium polymer rechargeable battery, 50MAH; 
- Headphone charging current: 47 mA; 
- Headphone charging time: 1Hour; 
- Working voltage: 3V- 4.2 V; 
- Listen to music current: MAX 24mA maximum volume; 
- Call current: MAX 24mA maximum volume; 
- Headphone standby current: 1mA; 
- Shutdown current: 7.2uA; 
- Headphone standby time: about 40hs; 
- Music time: about 2 hours; 
- Talk time: about 2 hours; 
- bluetooth version: bluetooth 5.0; 
- bluetooth chip: WT200U; 
- Support Profile: HSP, HFP, A2DP, AVRCP; 
- Remote control function for the player: NC; 
-  Pairing name: HBQ-Q13S; 
- Pairing code: 0000; 
- RF transmit power: class 2; 
- RF input impedance: 50 ohm; 
- RF emission intensity: 9 dBm; 
- RF receiving sensitivity: -89dBm; 
- Transmission range (Hz): 2.40GHz~2.48GHz; 
- Communication distance: 10m; 
- TWS function: NC; 
- Audio sampling accuracy: 16bits; 
- Audio sampling rate: 44.1~48kHz; 
- Audio encoding format: CVSD, mSBC, SBC, AAC; 
- Signal to noise ratio: >95dB; 
- Working temperature: -15 ° C ~ +60 ° C; 
- Working humidity: 10%~85% (non-frozen state); 
  
Headphone horn parameters:
- Speaker specifications: Φ8mm ;
- Impedance: 32Ω; 
- Frequency Frequency (Hz) 80Hz-18KHz; 
- Sensitivity: 85±3dB; 
- Input power: regular 2mW, maximum 5mW; 
  
 MIC parameters:
- MIC type: silicon microphone; 
- MIC sensitivity: -42±3dB; 
- SPL: 130dB; 
  
Charging box basic parameters; 
- Charging port: USB / solar panel; 
- Input voltage: DC5V 1.0A; 
- Charging current: about 334mA; 
- Output voltage: DC5V; 
- Discharge current: NC; 
- Working temperature: -15 ° C  +60 ° C; 
- Working humidity: 10%~85% (non-frozen state); 
  
Package Included: 
1x Headphone; 
1x Charging Box; 
1x USB Cable; 
2x Ear Cap; 
1x Manual