Features: Upgraded bluetooth-compatible bt5.0 chip technology, fast speed with stable connection and provides you low delay experience. Innovative ergonomic ear hook design, air conduction, compact, long term pressure-free wearing without pains. The second generation digital sound enhancement technology features rich and powerful bass, excellent tone reproduction, and richer sound details. IPX5 life waterproof, no fear of sweat and rain, provides stereo sound and clear sound, perfect for sport, games and more. Wide compatibility, this wireless headset is compatible for most types of cell phones and you can connect to other devices that support bluetooth-compatible compatibility. Specifications: Material: ABS Color: Orange Gold, White, Orange Blue, Black, Gray(optional) Model: T22 Sounding diaphragm: aluminized liquids crystal polymer diaphragm Sound unit: 10X5mm miniature full-ranges unit Acoustic Structure: Closed Magnet Type: Rubidium Iron Borons Frequency ranges: 50Hz-20kHz Impedance: 160 Sensitivity: 98 3dB Output performance: up to 30mW (IEC) Connection: Bluetoothcompatible 5.0, effective distance within about 10m, support Headset (HSP1.2) Handsfree (HFP1.6) A2DP13 and AVRCP16 connection standard Charging compartment: type-c charging interfaces Audional: AACmSBCSBC and CVSD audional code Waterproof: ipx5 Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1 Set Air Conduction Earphones