INQUIRY
How to Choose Headphones with Different Shapes
Whether it's studying, working, listening to music, or watching videos, everyone wears headphones these days, not only for convenience but also for a more immersive listening experience. There are various types of headphones on the market, including earcup, in-ear, semi-in-ear, neckband, ear hook, ear clip etc.
To help you understand them better and make a better choice:


  • diamond hand polishing pads for ceramic stone marble BT802

    BT802

    Bluetooth version : V5.0 Different colors available 1.Bluetooth profile :ACRCP1.3/A2D1.0/HFP1.5/HSP1.0 2.Working distance : above 10m(Free space ) 3.Battery : 300mAh Lithium Battery 4.Music time : above 10 hours 5.Charging time : above 2 hours 6.Sensitivity : 105dB±3dB 7.Frequency response : 20-20kHz 8.Mic. sensitivity :- 42dB±3dB 9.Mic. Frequency response : 100-20Khz Accessories
  • diamond hand polishing pads for ceramic stone marble BT801

    BT801

    Bluetooth version : V5.0 Different colors available 1.Bluetooth profile :ACRCP1.3/A2D1.0/HFP1.5/HSP1.0 2.Working distance : above 10m(Free space ) 3.Battery : 300mAh Lithium Battery 4.Music time : above 10 hours 5.Charging time : above 2 hours 6.Sensitivity : 105dB±3dB 7.Frequency response : 20-20kHz 8.Mic. sensitivity :- 42dB±3dB 9.Mic. Frequency response : 100-20Khz Accessories
  • diamond hand polishing pads for ceramic stone marble S430

    S430

    Bluetooth: V5.0 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S410

    S410

    Earphones Bluetooth: V5.0 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S401

    S401

    Bluetooth: V5.0 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S400

    S400

    Specifications : Blue-tooth version:5.2V Bluetooth Chip: JL6936D4 Frequency Response: 20Hz---20KHz Bluetooth Summary: A2DP / HFP / HSP / AVRCP Type of Battery: Lithium-Battery Battery Capacity: 45mA
  • diamond hand polishing pads for ceramic stone marble S390

    S390

    Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S380

    S380

    Features: Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(m
  • diamond hand polishing pads for ceramic stone marble S370

    S370

    Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S360

    S360

    Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S350

    S350

    Bluetooth Version: V5.0+ EDR L6936D) Earphone battery capacity: 35mAh Earphone & case battery type: Polymer battery. Charging case battery capacity: 500mAh Charging power: Earphone 5V/1mA, Charging Case: 5V/1mA Working distance: 15M Music time: Around 3.5 hours Talking time: Around 3.5 hours Standby time: Around 3 months Charging time for earphone: Around 1 hour Charging time for case: A
  • diamond hand polishing pads for ceramic stone marble S340

    S340

    Specifications : Bluetooth Version: V5.0+ EDR L6936D) Earphone battery capacity: 35mAh Earphone & case battery type: Polymer battery. Charging case battery capacity: 500mAh Charging power: Earphone 5V/1mA, Charging Case: 5V/1mA Working distance: 15M Music time: Around 3.5 hours Talking time: Around 3.5 hours Standby time: Around 3 months Charging time for earphone: Around 1 hour Chargi
  • diamond hand polishing pads for ceramic stone marble S330

    S330

    Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each) Charging Case Standby time (with earphones) : 500 hours Standby time (without earphones): 3000 hours Battery Capacity: 5V300mAh Dimen
  • diamond hand polishing pads for ceramic stone marble S320

    S320

    Bluetooth: V5.3 Bluetooth profiles: A2DP/HFP/HSPIAVRCP Range: 10~15 meters Play Time: 4 hours + 12 hours Standby Time: 100 hours Charging Time: Approximately 1hour Battery Capacity: 40mAh(each) Dimension : 15Wx25Lx20H(mm) Weight : 4.3g (each)
  • diamond hand polishing pads for ceramic stone marble S310

    S310

    Bluetooth version: V5.0 Driver Unit : 10mm Suport : HSP1.2,HFP1.6,A2DP1.3,AVRCP1.5 Rated Voltage : 3.7V Rated Frequency : 2.4GHz, Class2 Rated Power : 3mW Rated Current : 350ma Impedance: 32 Ohm±15% Earbud battery : 30mAh Charging box : 200mAh Charging rate : 5V/1mA Range: 10 meters Sensitivity: 103 dB Frequency: 20-20,000 Hz Standby : 3 months Charging time : Earbud 1 Hour
  • diamond hand polishing pads for ceramic stone marble S220

    S220

    Bluetooth version: V5.0 Driver Unit : 10mm Support : HSP1.2,HFP1.6,A2DP1.3,AVRCP1.5 Rated Voltage : 3.7V Rated Frequency : 2.4GHz, Class2 Rated Power : 3mW Rated Current : 350ma Impedance: 32 Ohm±15% Earbud battery : 30mAh Charging box : 200mAh Charging rate : 5V/1mA Range: 10 meters Sensitivity: 103 dB Frequency: 20-20,000 Hz Standby : 3 months Charging time : Earbud 1 Hou
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