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

Description

 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: ?8mm- Impedance: 32?- 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 Headphone1x Charging Box1x USB Cable2x Ear Cap1x Manual