Tai nghe không dây mini S109 5.0

S109 business wireless headset 5.0 hands-free headset mini wireless headset Features: 1. Clear call: a good helper for office business, DSP digital noise reduction technology, clearer calls and more transparent music. 2. Full-range dynamic sound quality: 10mm graphene high-fidelity moving coil unit, professional three-frequency adjustment, brings a layered sound quality. 3. Convenient to carry: The small and compact design makes it easy to carry, carry and use. Suitable for your running or fitness. 4. Ergonomic design: follow the ergonomic modeling concept to make the headset wear stable and experience a long-term stable and comfortable wearing experience. instruction: The earphones are carefully designed to extend the service life, and the ergonomic design will not hurt the ears and bring a comfortable wearing experience. Specification: Model: S109 Colour: Black Waterproof: IPX4 Speaker: 10mm composite diaphragm speaker Continuous talk time: 36 hours Standby: 180 days Rotation: 180° Battery capacity: 80MAH Packing: OPP bag Package includes: 1 * wireless headset Matters needing attention: 1. Due to manual measurement, please allow an error of 0-1 inch. Thank you for your understanding. 2. The monitor is not calibrated, and the color of the object shown in the photo may be slightly different from the actual product.