Comfort and StabilityWith ergonomic design and silicone ear hooks,provide more secure comfort fit for long time wearing and running without falling out. Let you enjoy great sound on-the-go.Magnetic designBuilt-in magnets let you attach the two earbuds together when not using, and wear like a necklace around your neck,greatly decreasing the burden on ears and give you a convenient way to carry around the earphones.Sweatproof Sports EarbudsEquipped with IPX6 water resistant level for better protection in light rain or sweat, which makes the headphones more durable.Wide CompatibilityCOOSII S7 wireless earbuds can compatible with most of Bluetooth devices, including iPhone Android smartphones,ipad laptop,tablet and so onLong Play TimeBuilt-in 400mAh lithium battery. One charge gives you up to 10 hours audio play time, enough to power your workout with music for a week.General Specifications Driver size : 12mm Dynamic Frequency Response Range: 10Hz – 22kHz Sensitivity : [email protected], 1mW Microphone sensitivity: 1kHz dB v/pa-20 Impedance: 16 ohm Bluetooth Max Output Power: 4dBm Bluetooth transmitted modulation GFSK, π/4-DQPSK, 8DPSK Bluetooth Frequency: 2.402GHz-2.48GHz Battery Battery type: Polymer Li-ion Battery (3.7V, 400mAh) Charging time: 1.5 hours Weight: 53g Unboxed S7 Wireless Headphones Medium, Large Ear tips and Earhooks Universal USB charging cable Quick Start Guide 1- Year HASSLE-FREE Parts & Labor Warranty Earphones case
- Customizable Eartips and C-shape Stable Interface: Keeping your bluetooth earphones in place during running jogging cycling or other outdoor exercises.
- 10 Hours Battery Life with iOS Battery Indicator: No more worries about your music playing time from a 1.5 hours single charge.
- Stereo Sound and Easy to Work: Equipped with advanced Bluetooth CSR8640 chip and IPTX audio techonology, being highly compatible with Android / iOS smartphones laptop tablet etc.
- Magnetic Design and IPX6 Sweatproof: Enable ear buds to be portable, and let music always stay around you even while tough exercising or raining.
- What you get: 1 x COOSII Wireless Headphone, 1 x USB Charge Cable, 1 x Headphone Case, 2 Pairs Stable Interface, 3 Pairs Ear Tips (S, M, L), 1 x S7 User Guide