Lenovo Lenovo XE05 Wireless BT Earphone BT5.0 In-ear Headset IPX5 Waterproof Sport Earbud with Noise Cancelling Mic Soft TPE material, skin friendly and comfortable. 6D 10mm stereo speaker unit, to achieve more shocking audio stereo surround sound. Magnetic suction design, removes tedious storage , not easy to wind and lose. Intelligent wire control, realizes multi-function control of playback, call, etc. Ergonomic design, fit the ear canal, firm and comfortable wear, not easy to fall. Built-in large capacity battery to ensure long time use, over 5 hours play time, 110 hours standby time, no need to worry about shortage. IPX5 waterproof level, no need to worry about headphone damaging by sweating. Adopt high-performance BT 5.0 chip, low consumption, low latency, to ensure stable signal connection. Specification: Color: Black/Red(optional) Standby time: 110H Package size: 21.2 * 13.7 * 3.1cm /8.3 * 5.4 * 1.2in Mic sensitivity: 98±3dB Effective distance: About 10m(barrier-free) Frequency : 20-20KHz Model: XE05 BT version: V5.0 Package weight: 105g / 3.7oz Speaker diameter: 10mm Play time: ＞5H Brand: Battery capacity: 80mAh Package List: 1 * XE05 Earphone 2 * Pair of Earplugs 1 * USB Charging Cable 1 * User Manual