ITEM NAME:Wireless Earbuds, True Bluetooth 5.0 Headphones in-Ear, Noise Cancelling Description: Wireless dual ear design, left and right ear channel separation. You can use the headset solely, or used them in pairs. BT 5.0 brings high data transfer speed, stable connection and low power consumption. Easy and quick to pair with BT-enabled audio devices. Effective distance is about 10 meters in open space. 3000mAh battery in each earphone ensures enough long working time,supports up to 50 hours playtime in total. Dynamic drive unit provides powerful low frequency, delicate, soft medium and high frequency. With DSP intelligent noise reduction technology, it can remove the ambient noise. Lightweight and mini size fit well to your ear canal, let the headphones wear firmly, set up triple medium and small comfortable ear caps, eaperience long-term stability and comfort wear it. It guarantees stability when doing sports. With charging box, easy to store and carry anywhere. Waterproof design. Specification: Model: Xi10S Bluetooth version: 5.0 Bluetooth protocol: a2dp/actp/avrcp/hfp/spp/smp Modulation method: GFSK/ DQPSK: Max Power output: +4dbm Frequency range: 2402MHz+2480MHz Charging time: 2 hours Working voltage: DC 2.2V-5.5V Noise ratio: ≠¥92dB Effective distance: 10M Headphone output: 5V-50V Package Includes: 1 Piece Bluetooth Headset 1 Piece Charging Box 1 Piece Manual SKU: FUZ0026899368023761.Wireless dual ear design, left and right ear channel separation. You can use the headset solely, or used them in pairs. Bluetooth version: 5.0. Bluetooth protocol: a2dp/actp/avrcp/hfp/spp/smp. 1 Piece Bluetooth Headset.