Écouteurs supra-auriculaires Bluetooth Joyroom Open, longue durée de vie, universels, sans fil

Product Specifications: Product Series Name: Joyroom Openfree OE4 Model: JR-OE4 Bluetooth version: BT5.4 Audio encoding and decoding formats: AAC, SBC Communication distance: 10m Waterproof grade: IPX4 Listening time at 50% volume: 12.5 hours Listening time with charging case at 50% volume: 50 hours Battery capacity: 80mAh earphones 800mAh charging case Charging time: about 2 hours Charging input: 5V⎓1A Charging Interface: Type-C Frequency response range: 20Hz-20KHz Output power: 20mW Speaker impedance: 16 Speaker size: Ф16mm Overall size: 88.7*66.5*32mm Material: ABS+PC Weight: bare metal about 78.8 grams, earphones about 10 grams * 1 piece Gross weight: 136g Color box size: 100*35*165mm Packing quantity: 38 pieces/small box, 152 pieces/large box Packing weight: 21kg/large box Large box size: 550*535*450mm Key Selling Points: 1.Non-sensory Wearing: Single ear weighs only 10g, as light as a feather, skin-friendly silicone, comfortable to wear. 2.Ultra-long Battery Life: The earphones have a single battery life of 12.5 hours, with a total battery life of 50 hours when paired with the charging case. The digital display shows the remaining power in real-time, ensuring worry-free long-distance travel. 3.Balanced sound quality: Built-in 16mm large driver unit delivers powerful sound. 4. Using Bluetooth 5.4 version, it connects as soon as the lid is opened, with more stable transmission and stronger communication efficiency and signal interference resistance. 5. Environmental perception: Maintain awareness of the surrounding environment, such as being able to hear car horns clearly even while wearing headphones while cycling. It's very suitable for outdoor leisure, sports, office work, driving, and home entertainment.