Mini Speaker Coin Size Wireless Speaker Pocket Bluetooth Speaker

Specification:Dimension: 34mmx28.5mm
Net Weight : 33g
Speaker Parameter: 4 ohm 2W
Frequency Response: 20Hz-20kHz
Battery Capacity: 200mAh
Battery Charging Voltage: 5V[USB] Plaback time: 2-3 Hours
Battery Charge time: 1 hour
Worlds smallest coin sized speaker full, high-def sound: enjoy an impressively full sound and robust bass realized through audio driver and passive subwoofer. Long playtime, fast recharge: enjoy hours of music, up to three times longer than similar-sized portable speakers. Recharge in just 1 hour using the included micro usb cable. Incredibly compact: this ring box-sized bluetooth speaker fits easily into your jacket pocket or the small side pocket of your backpack complete compatibility: pair smartphones, tablets, laptops and more via bluetooth (up to 10 meters / 33 feet) built-in microphone for hands-free speaker phone calling, environmental friendly rechargeable battery, super bass and surround sound, dolby truehd, selfie remote shutter. With wireless bluetooth 4. 1 technology with a2dp stereo music and aptx pure, clear sound, for music while running, jogging, cycling, skating, good noise isolation to create the optimal environment for listening to your favorite tunes, built-in microphone with noise cancellation for clear calling and friends chatting sweat-proof, light weight and ergonomic design to enhance your comfort; comes with interchangeable earbuds and ear hooks for secure and personal fit when walking or exercising built-in rechargeable lithium battery lasts up to 4. 5 hours of talk / play time or 175 hours standby, universally compatible with most bluetooth-enabled phones. Works with , android and windows smartphones tablets and other bluetooth