•Bluetooth-compatible 5.4 technology,fast and stable connection,no delay •Built-in 1000mAh battery,with long battery life •40mm graphene diaphragm,HiFi surround sound makes you feel like you are there •CVC smart | noise reduction,calls are more delicate and clear •Can connect to two mobile devices at the same time •With automatic answering function,freeing your hands,safer for riding •IPX6 waterproof,no fear of wind and rain,sturdy and durable •Detachable design,simple and convenient installation Specifications: •Bluetooth-compatible name: C5S •Play time: 40H-50% volume,light off/22H-50% volume,light on •Talk time: 38H-50% volume,light off/20H-50% volume,light on •Standby time: ≥23D •Waterproof grade: IPX6 •Communication distance: ≧15 meters (barrier-free open space) •Product chip: BT8925B2 •Prompt tone type: English/Chinese •Battery capacity: 1000mAh/3.7V •Function: waterproof,call function,voice control,music support •Channel: stereo •Prompt language: Chinese/English Package included: •1 x Host •1 x Charging Cable •1 x Headphones and Microphone •2 x Microphone Magic Tape •4 x Speaker Magic Tape •1 x Magic Tape •1 x Thick Double-sided Tape •1 x Stand Magic Tape •1 x English User Manual