Wheelerz 30W Trolley...

Delivers a powerful sound and deep bass to enhance your music experienceMeticulously designed ear tips fit snugly without hurting the ear canalBluetooth connectivity lets you stream audio from Bluetooth-enabled devicesJBL Pure Bass sound For over 70 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL DNA, punching out bass that?s both deep and powerful.Up to 6-hour battery life Enjoy your music and take calls for up to 6 hours. Get a full recharge in 2 hours.

Multi-point connectionsHands-free callslightweight comfortable and foldable designup to 40H battery life andspeed charge

BT 5.1 chip ensures stable and fast connection, low power consumption and low latency.Adopt 13mm dual-frequency moving coil unit, high frequency analysis, restore sound details without distortion.After the first pairing, just take the earbuds out of the charging case, the earbuds will automatically connect with your mobile phone.Semi-in-ear design, fit the ear canal, bringing comfortable wearing experience.Built-in microphone, AAC/SBC audio decoding, clear sound quality.

Driver sensitivity range is about 1kHz/1mW (dB) with impedance 14 ohmsDynamic frequency response range is about 20Hz?20 kHzWith up to 25 hours 5 hours from the earbuds and 15 hours from the case of battery lifeBluetooth frequency range is up to 2.4-2.4835 GHzTransmitted modulations are GFSK, ?/4 DQPSK, 8DPSK and 55mAh 3.7V battery