Bluetooth Earphones Are Not In The Ear,Wireless Digital Display Sports,Outdoor Ear Hook,Earphon Features: Using ABS materials and electronic components,the wireless headset is reliable and durable. Full of a sense of technology,say goodbye to cumbersome pairing,pick up the Internet with seconds of power on,experience the wireless sound. Powerful composite power diaphragm,automatically filter external noise,clear calls with bilateral microphones Bluetooth compatible headset adopts Bluetooth compatible chip 5.3,with fast and stable transmission speed and strong -interference ability.Ergonomic design makes it comfortable to wear. Suitable for your home,office,travel,sports and other. Product Description: Headphone meters Bluetooth solution: Jerry 6982 Bluetooth version: V5.3 Wireless frequency: 2.4GHZ Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission : 10 meters Battery capacity: 30mAh earphones+250mAh charging compartment earphones Charging voltage/current: 5V/1A Play/talk time: approximately 5 hours Charging time: approximately 2 hours Standby time: 90 days Horn impedance: φ 1 m 32 Ω Mic sensitivity: -42dB Working temperature: -10-50 ℃ Single unit weight: 61.4 grams Single set weight: 100.8 grams Packaging size: 13 * 4.2 * 8cm Product List: Earphone * 1,charging cable * 1,manual * 1 This is a product suitable for household use and suitable for daily use. Suitable as a small gift for family, friends, neighbors, and colleagues. This product looks good and has a beautiful appearance. This product is reusable, durable, and easy to clean. Can be used in scenarios such as home office dormitories.