Bluetooth Rechargeable True Wireless Stereo Earbuds Completely wireless for tangle free quality sound Offering complete wireless freedom, this lightweight bluetooth Stereo Earphones do not have wires or cables connecting the left and right earpieces. The wirelss stereo earbuds are rechargeable and comes with a portable rechargeable charging case. Its able to charge the earbuds up to 10 times providing up to 30 hours of premium quality music time. Each of the earbud has a built in microphone to make calls; indivudually or both used at the same time. Only weighs 7g, it is very lightweight and comfortable to use. Product Specification : * Bluetooth Version: 5.0 * Model size:4.7 × 2.5 × 5.6 cm *Model weight:7g *Material:ABS *battery capacity :40mA/3.7V *music time: around 3h *Charge time:1h *Support mobile music and answer the phone *Transmission distance: ≤30m(Depend on Environment)