The BL151 TWS Earphone delivers professional-grade wireless audio with comprehensive Bluetooth protocol support including HFP, HSP, A2DP, AVRCP, SPP, PBAP, and TWS+ for seamless connectivity across devices. Enjoy up to 4-5 hours of continuous music playback per charge, with an extended 12-hour standby duration. The compact charging case houses a 250mAh battery that fully recharges your earphones in just 2 hours via convenient TYPE-C connectivity. Each earbud features a 25mAh lithium battery for reliable performance. Available in sophisticated Black or Beige finishes, these earphones maintain a stable connection within a 10-meter range, making them ideal for both professional and everyday use.