Cambridge Earphones Open-type casual/sports, products from Japan

＜Bluetooth version: 5.0 Processor: Triple-core Processor Architecture: Dual-core 32-bit processor application subsystem & Qualcomm QCC3026 Single-core 120Mhz Kalimba DSP audio subsystem Driver: 5.8mm graphene-coated diaphragm Built-in microphone for calls: MEMS microphone & cVc noise cancelling Playback frequency range: 20Hz - 20kHz Earphone weight (one side): 4.6g Case weight: 37g Latency: 70mS (with aptX) Maximum playback time (with earphones): 9 hours Maximum playback time (with case): 45 hours Supported codecs: SBC, AAC, aptX Supported profiles: A2DP, AVRCP, HFP, HSP Charging port: MicroUSB Waterproof rating: IPX 5;＜Silicon earpiece: 1 pair each of S, M, and L sizes Memory foam earpiece: 1 pair of M size USB cable for charging User manual;Graphene-coated 5.8mm driver Graphene is an incredibly lightweight, rigid, and durable material. The MELOMANIA1's dynamic driver, designed by elite engineers at the R&D Center in London, uses a graphene-coated diaphragm and a magnet with high magnetic flux density to achieve extremely high signal response. The MELOMANIA1's dynamic driver has a graphene-coated diaphragm and a magnet with high magnetic flux density to achieve an extremely high signal response, enabling a wide range of reproduction from deep bass to clear, yet soft and angular highs.;The latest version of Qualcomm's Clear Voice Capture (cVc) noise-canceling technology incorporates an advanced Microelectro-Mechanical Systems (MEMS) microphone. Enjoy clear voice calls without the background noise.;The Melomania1 provides up to 9 hours of continuous playback on a single charge and can be recharged 4 times with the charging case. Melomania1 provides up to 9 hours of continuous playback and can be recharged 4 times with the built-in battery in the charging case. Together with the charging case, the Melomania1 can provide up to 45 hours of playback. When using the aptX codec, the playback time will be reduced by 20-30%.