Ipipoo IP-IL90BL Bluetooth 4.1 Wireless In-ear Stereo Waterproof Sport Earphone with Microphone

Features: Bluetooth 4.1 connection up to 10m, good for sports Waterproof design, allows you to do sports outdoor even when it rains Multi point connection, one bluetooth earphone for different devices Bluetooth version: CSR4.1 Battery capacity: 55mAh Driver unit: 10mm Charging time: 1 hour Phone call time: 4 hours Music time: 4 hours Charging: DC 5V 300MA Bluetooth frequency 2.400GH-z-2.480GH-z Phone call disstance: under 1M Connection distance: 10M Voice prompt: support Multi point connection: support Package Included: 1 x Ipipoo IP-IL90BL Bluetooth Earphone 1 x USB Cable 2 x S Size Earbud 2 x L Size Earbud 1 x User Manual